FNUS55 KRIW 231901 FWFRIW Fire Weather Planning Forecast for Western and Central Wyoming National Weather Service Riverton WY 101 PM MDT Sun Aug 23 2026 .DISCUSSION... ...Yellowstone NP and Teton dispatch areas (includes fire weather zones 140...414...415...and 416)... Mostly sunny and dry through the afternoon with breezy west to northwest winds 15 to 25 mph. Afternoon high temperatures 2 to 3 degrees warmer than Saturday as minimum relative humidity values remain above critical thresholds. A cold front pushes through 140 by 18-1900 and into the remaining zones within an hour later. Along and ahead of the front, expect strong thunderstorms capable of damaging winds up to 50 to 55 mph (40-50% coverage). Otherwise, mixing and smoke dispersal will remain very good through the remainder of the day. ...Cody dispatch area (includes fire weather zones 275...276... 282...283...285...286...287...288...and 289)... Mostly sunny and dry through the afternoon with breezy west to northwest winds 15 to 25 mph (outside of some isolated storm activity across zones 275/276/282 between 15-1800). Afternoon high temperatures 2 to 3 degrees warmer than Saturday as minimum relative humidity values remain above critical thresholds. A cold front pushes through east to west after around 2100. Along and ahead of the front, expect stronger thunderstorms capable of damaging winds up to 45 to 50 mph (30-40% coverage). Otherwise, mixing and smoke dispersal will remain very good through the remainder of the day. ...Casper dispatch area (includes fire weather zones 277...278... 279...280...281...285...289...and 300)... Mostly sunny and dry through the afternoon with breezy west to northwest winds 15 to 25 mph (outside of some isolated storm activity across zones 281/280/281 between 15-1800). Afternoon high temperatures 2 to 3 degrees warmer than Saturday as minimum relative humidity values remain above critical thresholds. A cold front pushes through east to west after around 2100. Along and ahead of the front, expect stronger thunderstorms capable of damaging winds up to 45 to 55 mph (35-45% coverage). Otherwise, mixing and smoke dispersal will remain very good through the remainder of the day. ...Thunderstorms imply strong gusty and erratic winds... WYZ280-242115- Natrona County/Casper BLM- Including the cities of Casper and Midwest 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....86-91. 24 hr trend......7 degrees warmer. Min humidity........18-24 percent. 24 hr trend......19 percent drier. 20-foot winds.......Northwest winds around 15 mph with gusts to around 25 mph. Ridge top winds.....Northwest around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......10200-11400 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....58-63. 24 hr trend......2 degrees cooler. Max humidity........53-59 percent. 24 hr trend......26 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph until 0300, then southwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 15 mph until 2400, then southwest. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph until 2400, then west. Mixing Height.......4000-6000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....84-89. 24 hr trend......3 degrees cooler. Min humidity........20-26 percent. 24 hr trend......Unchanged. 20-foot winds.......West winds around 10 mph and gusty. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 8400-10400 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms early in the evening. Slight chance of showers late in the evening. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....56-61. 24 hr trend......2 degrees cooler. Max humidity........62-68 percent. 24 hr trend......8 percent wetter. Humidity recovery...Good. 20-foot winds.......Northwest winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of thunder...0 percent. Max temperature.....78-83. 24 hr trend......6 degrees cooler. Min humidity........28-34 percent. 24 hr trend......8 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 20 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1000-3000 ft agl until 1200, then 5400-7400 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. West winds around 10 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. .SUNDAY...Partly cloudy. Highs in the lower 80s. $$ WYZ283-242115- Upper Wind River Basin/Wind River Basin- Including the cities of Crowheart, Lander, Riverton, and Shoshoni 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....83-88. 24 hr trend......4 degrees warmer. Min humidity........20-26 percent. 24 hr trend......6 percent drier. 20-foot winds.......Northwest winds around 15 mph with gusts to around 25 mph. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......10200-12000 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....53-58. 24 hr trend......3 degrees cooler. Max humidity........60-66 percent. 24 hr trend......9 percent drier. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph until 2400, then southwest with gusts to around 15 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......4200-6200 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...20 percent. Max temperature.....81-86. 24 hr trend......2 degrees cooler. Min humidity........27-33 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1600-3600 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....52-57. 24 hr trend......2 degrees cooler. Max humidity........59-65 percent. 24 hr trend......3 percent wetter. Humidity recovery...Good. 20-foot winds.......West winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....78-83. 24 hr trend......3 degrees cooler. Min humidity........30-36 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....North around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......1000-3000 ft agl until 1200, then 5000-7000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds generally less than 10 mph. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs 83 to 88. West winds around 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs 81 to 86. $$ WYZ285-242115- South Bighorn Mountains- 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....79-84. 24 hr trend......5 degrees warmer. Min humidity........23-29 percent. 24 hr trend......10 percent drier. 20-foot winds.......Northwest winds around 15 mph with gusts to around 25 mph. Ridge top winds.....Northwest around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 20 mph. Mixing Height.......7600-9600 ft agl. Smoke dispersal.....Very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....56-61. 24 hr trend......1 degree cooler. Max humidity........53-59 percent. 24 hr trend......27 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph until 2400, then southwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph until 2400, then west. Mixing Height.......2800-4800 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...20 percent. Max temperature.....77-82. 24 hr trend......2 degrees cooler. Min humidity........21-27 percent. 24 hr trend......1 percent drier. 20-foot winds.......West winds around 10 mph and gusty. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 7400-9400 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....54-59. 24 hr trend......3 degrees cooler. Max humidity........54-60 percent. 24 hr trend......4 percent wetter. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph until 2400, then northwest. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 2400, then north. Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....73-78. 24 hr trend......4 degrees cooler. Min humidity........31-37 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 1200, then 5000-7000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Winds generally less than 10 mph. .THURSDAY...Partly cloudy. Lows in the upper 50s. Highs around 80. West winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. West winds around 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the mid 50s. Highs 74 to 79. $$ WYZ281-242115- Johnson County/Casper BLM- Including the cities of Buffalo and Kaycee 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....82-87. 24 hr trend......5 degrees warmer. Min humidity........24-30 percent. 24 hr trend......16 percent drier. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......8400-10000 ft agl. Smoke dispersal.....Very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....57-62. 24 hr trend......2 degrees cooler. Max humidity........56-62 percent. 24 hr trend......29 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then west. Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....78-83. 24 hr trend......5 degrees cooler. Min humidity........24-30 percent. 24 hr trend......2 percent wetter. 20-foot winds.......West winds around 10 mph until 0900, then north. Gusts up to 20 mph. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......1000-3000 ft agl until 1200, then 5200-7200 ft agl. Smoke dispersal.....Poor until 1200, then good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the evening. Slight chance of showers in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....56-61. 24 hr trend......1 degree cooler. Max humidity........52-58 percent. 24 hr trend......6 percent drier. Humidity recovery...Moderate. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph. Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....74-79. 24 hr trend......4 degrees cooler. Min humidity........31-37 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north around 10 mph until 1200, then upslope/upvalley 5-9 mph until 1500, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....North around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph. Mixing Height.......1000-3000 ft agl until 1200, then 4200-5800 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds generally less than 10 mph. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows around 60. Highs 84 to 89. West winds around 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs 83 to 88. $$ WYZ282-242115- South Bighorn Basin/Worland BLM- Including the cities of Ten Sleep, Thermopolis, and Worland 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....81-86. 24 hr trend......2 degrees warmer. Min humidity........21-27 percent. 24 hr trend......1 percent drier. 20-foot winds.......North winds around 10 mph and gusty. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......7200-9200 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....55-60. 24 hr trend......4 degrees cooler. Max humidity........55-61 percent. 24 hr trend......Unchanged. Humidity recovery...Moderate. 20-foot winds.......Southeast winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....South around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....79-84. 24 hr trend......2 degrees cooler. Min humidity........22-28 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1000-3000 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor until 1200, then good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....53-58. 24 hr trend......1 degree cooler. Max humidity........52-58 percent. 24 hr trend......1 percent drier. Humidity recovery...Moderate. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....South around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 2400, then west. Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....76-81. 24 hr trend......3 degrees cooler. Min humidity........28-34 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200. Winds north around 10 mph with higher gusts after 1500. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......1000-3000 ft agl until 1200, then 4200-6200 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. Winds generally less than 10 mph. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows around 60. Highs 85 to 90. Winds generally less than 10 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. .SUNDAY...Partly cloudy. Highs in the lower 80s. $$ WYZ275-242115- North Bighorn Basin/Worland BLM- Including the cities of Greybull, Lovell, and Powell 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....79-84. 24 hr trend......4 degrees warmer. Min humidity........20-26 percent. 24 hr trend......5 percent drier. 20-foot winds.......West winds around 10 mph and gusty. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......8200-10200 ft agl. Smoke dispersal.....Very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....55-60. 24 hr trend......3 degrees cooler. Max humidity........58-64 percent. 24 hr trend......2 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....76-81. 24 hr trend......4 degrees cooler. Min humidity........19-25 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......1000-3000 ft agl until 1200, then 5600-7600 ft agl. Smoke dispersal.....Poor until 1200, then fair to good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....53-58. 24 hr trend......1 degree cooler. Max humidity........50-56 percent. 24 hr trend......12 percent drier. Humidity recovery...Moderate. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....North around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....East around 10 mph until 2400, then northwest. Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....74-79. 24 hr trend......3 degrees cooler. Min humidity........27-33 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......1000-3000 ft agl until 1200, then 4000-6000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows around 60. Highs 85 to 90. Winds generally less than 10 mph. .FRIDAY...Partly cloudy with slight chance of showers. Lows in the upper 50s. Highs in the upper 80s. Winds generally less than 10 mph. .SATURDAY...Partly cloudy with slight chance of showers. Lows in the upper 50s. Highs in the mid 80s. .SUNDAY...Partly cloudy. Highs in the lower 80s. $$ WYZ276-242115- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....83-88. 24 hr trend......5 degrees warmer. Min humidity........19-25 percent. 24 hr trend......8 percent drier. 20-foot winds.......West winds around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing Height.......10200-11600 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....56-61. 24 hr trend......3 degrees cooler. Max humidity........52-58 percent. 24 hr trend......2 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph. Gusts up to 25 mph until 2400, then 15 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......4000-6000 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...0 percent. Max temperature.....78-83. 24 hr trend......5 degrees cooler. Min humidity........25-31 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....55-60. 24 hr trend......2 degrees cooler. Max humidity........50-56 percent. 24 hr trend......3 percent drier. Humidity recovery...Moderate. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor to fair. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the afternoon. Chance of showers in the afternoon. Chance of thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....74-79. 24 hr trend......4 degrees cooler. Min humidity........37-43 percent. 24 hr trend......8 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......800-2800 ft agl until 1200, then 3600-5600 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 55 to 60. Highs in the lower 80s. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 50s. Highs in the mid 80s. West winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. West winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. .SUNDAY...Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. $$ WYZ287-242115- Owl Creek Mountains- 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....79-84. 24 hr trend......4 degrees warmer. Min humidity........22-28 percent. 24 hr trend......4 percent drier. 20-foot winds.......Northwest winds around 10 mph with gusts to around 25 mph. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......9000-11000 ft agl. Smoke dispersal.....Very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....56-61. 24 hr trend......2 degrees cooler. Max humidity........45-51 percent. 24 hr trend......5 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph and gusty. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......3400-5400 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...20 percent. Max temperature.....76-81. 24 hr trend......3 degrees cooler. Min humidity........26-32 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Chance of thunder...10 percent. Min temperature.....54-59. 24 hr trend......2 degrees cooler. Max humidity........48-54 percent. 24 hr trend......2 percent wetter. Humidity recovery...Moderate. 20-foot winds.......Southwest winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 2400, then northwest. Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the afternoon. Chance of showers in the afternoon. Chance of thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....72-77. 24 hr trend......4 degrees cooler. Min humidity........32-38 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....North around 10 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....North around 10 mph. Mixing Height.......800-2800 ft agl until 1200, then 4000-6000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds generally less than 10 mph. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs 78 to 83. West winds around 10 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. .SUNDAY...Partly cloudy. Highs in the mid 70s. $$ WYZ286-242115- Absaroka Mountains/North Shoshone NF- Including the city of Pahaska 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....74-79. 24 hr trend......2 degrees warmer. Min humidity........31-37 percent. 24 hr trend......7 percent drier. 20-foot winds.......West winds around 20 mph with gusts to around 30 mph. Ridge top winds.....West around 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing Height.......7800-9800 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....49-54. 24 hr trend......Unchanged. Max humidity........64-70 percent. 24 hr trend......15 percent drier. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph until 2400, then 20 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......3000-5000 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...0 percent. Max temperature.....70-75. 24 hr trend......2 degrees cooler. Min humidity........27-33 percent. 24 hr trend......2 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph until 1200, then around 25 mph. Mixing Height.......2600-4600 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Fair to good until 1200, then very good to excellent. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....47-52. 24 hr trend......1 degree cooler. Max humidity........59-65 percent. 24 hr trend......6 percent drier. Humidity recovery...Good. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .TUESDAY... Sky/weather.........Partly cloudy. Showers likely and chance of thunderstorms in the afternoon. Chance of precipitation 70 percent. Chance of thunder...30 percent. Max temperature.....67-72. 24 hr trend......2 degrees cooler. Min humidity........37-43 percent. 24 hr trend......11 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 20 percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2000-4000 ft agl until 1200, then 4800-6800 ft agl. Smoke dispersal.....Fair to good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows around 50. Highs in the lower 70s. West winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs around 70. West winds around 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs 65 to 70. $$ WYZ140-242115- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....73-78. 24 hr trend......Unchanged. Min humidity........32-38 percent. 24 hr trend......3 percent drier. 20-foot winds.......Southwest winds around 15 mph with gusts to around 25 mph. Ridge top winds.....Southwest around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 25 mph. Mixing Height.......7000-8200 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....43-48. 24 hr trend......1 degree cooler. Max humidity........76-82 percent. 24 hr trend......18 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest winds around 10 mph with gusts to around 25 mph until 0300, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....71-76. 24 hr trend......1 degree cooler. Min humidity........27-33 percent. 24 hr trend......12 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......2000-4000 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of showers late in the evening, then slight chance of showers late in the evening. Chance of precipitation 40 percent. Chance of thunder...10 percent. Min temperature.....44-49. 24 hr trend......Unchanged. Max humidity........73-79 percent. 24 hr trend......4 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph until 2400, then southeast. Chc of wetting rain.Less than 5 percent. Transport winds.....West around 10 mph until 2400, then south. Mixing Height.......3200-5200 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the afternoon. Chance of showers in the afternoon. Chance of thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....71-76. 24 hr trend......Unchanged. Min humidity........42-48 percent. 24 hr trend......11 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 20 mph. Ridge top winds.....South around 10 mph until 1200, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....South around 10 mph until 1200, then west. Mixing Height.......2000-4000 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds generally less than 10 mph. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 43 to 48. Highs 69 to 74. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 60s. .SUNDAY...Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. $$ WYZ415-242115- North Zone Bridger Teton NF and Grand Teton NP- Including the cities of Jackson and Moran 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....73-78. 24 hr trend......1 degree cooler. Min humidity........37-43 percent. 24 hr trend......2 percent drier. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......7000-9000 ft agl. Smoke dispersal.....Very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....45-50. 24 hr trend......Unchanged. Max humidity........77-83 percent. 24 hr trend......13 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....69-74. 24 hr trend......3 degrees cooler. Min humidity........41-47 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 15 mph. Ridge top winds.....South around 10 mph until 1200, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......2000-4000 ft agl until 1200, then 5800-7800 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the evening. Slight chance of showers in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....44-49. 24 hr trend......Unchanged. Max humidity........73-79 percent. 24 hr trend......10 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph until 2400, then east. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 2400, then east. Mixing Height.......2000-4000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....72-77. 24 hr trend......2 degrees warmer. Min humidity........37-43 percent. 24 hr trend......5 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....Southeast around 10 mph until 1200, then west. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 1200, then west. Mixing Height.......1800-3800 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Winds generally less than 10 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs around 70. Winds generally less than 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs 65 to 70. $$ WYZ416-242115- West Wind River Mountains/East Zone Bridger Teton NF- 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....71-76. 24 hr trend......Unchanged. Min humidity........29-35 percent. 24 hr trend......6 percent drier. 20-foot winds.......West winds around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......7400-9400 ft agl. Smoke dispersal.....Very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....45-50. 24 hr trend......1 degree warmer. Max humidity........77-83 percent. 24 hr trend......15 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and thunderstorms in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....66-71. 24 hr trend......3 degrees cooler. Min humidity........39-45 percent. 24 hr trend......8 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......2000-4000 ft agl until 1200, then 5000-7000 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....44-49. 24 hr trend......1 degree cooler. Max humidity........65-71 percent. 24 hr trend......11 percent drier. Humidity recovery...Good. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Northwest around 10 mph until 2400, then northeast. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then northeast. Mixing Height.......1600-3600 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....67-72. 24 hr trend......1 degree warmer. Min humidity........32-38 percent. 24 hr trend......7 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 60s. Winds generally less than 10 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds generally less than 10 mph. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. .SUNDAY...Partly cloudy. Slight chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Highs in the lower 60s. $$ WYZ288-242115- East Wind River Mountains/South Shoshone NF- Including the cities of Dubois and South Pass 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....74-79. 24 hr trend......1 degree warmer. Min humidity........28-34 percent. 24 hr trend......8 percent drier. 20-foot winds.......West winds around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......8400-10400 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....49-54. 24 hr trend......Unchanged. Max humidity........61-67 percent. 24 hr trend......18 percent drier. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph until 2400, then 15 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......3200-5200 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....71-76. 24 hr trend......2 degrees cooler. Min humidity........36-42 percent. 24 hr trend......5 percent wetter. 20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph until 1200, then 25 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......2400-4400 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Fair to good until 1200, then very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....47-52. 24 hr trend......2 degrees cooler. Max humidity........55-61 percent. 24 hr trend......3 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....69-74. 24 hr trend......2 degrees cooler. Min humidity........34-40 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 5800-7800 ft agl. Smoke dispersal.....Fair to good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 70s. West winds around 10 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows around 50. Highs in the lower 70s. West winds around 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs 67 to 72. $$ WYZ414-242115- Salt and Wyoming Ranges/West Zone Bridger Teton NF- Including the city of Afton 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....71-76. 24 hr trend......2 degrees cooler. Min humidity........32-38 percent. 24 hr trend......3 percent drier. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......7400-9400 ft agl. Smoke dispersal.....Very good. .TONIGHT... Sky/weather.........Partly cloudy. Chance of showers early in the evening. Slight chance of thunderstorms in the evening. Slight chance of showers in the evening. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....45-50. 24 hr trend......1 degree warmer. Max humidity........78-84 percent. 24 hr trend......10 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the morning. Chance of showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....69-74. 24 hr trend......2 degrees cooler. Min humidity........38-44 percent. 24 hr trend......7 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph until 1200, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....South around 10 mph until 1200, then west. Mixing Height.......1600-3600 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....44-49. 24 hr trend......1 degree cooler. Max humidity........74-80 percent. 24 hr trend......9 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Southeast around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then east. Mixing Height.......1800-3800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....71-76. 24 hr trend......1 degree warmer. Min humidity........30-36 percent. 24 hr trend......9 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....Southwest around 10 mph until 1200, then west. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 1200, then 8200-10200 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 47 to 52. Highs 71 to 76. Winds generally less than 10 mph. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs around 70. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. $$ WYZ278-242115- Upper Green River Basin/Rock Springs BLM- Including the cities of Big Piney, Farson, and Pinedale 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....75-80. 24 hr trend......1 degree cooler. Min humidity........26-32 percent. 24 hr trend......2 percent drier. 20-foot winds.......West winds around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......9600-11600 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....48-53. 24 hr trend......3 degrees cooler. Max humidity........77-83 percent. 24 hr trend......4 percent wetter. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......3800-5800 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of showers and thunderstorms early in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....73-78. 24 hr trend......2 degrees cooler. Min humidity........33-39 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 5 mph until 1200, then west around 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1200-3200 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....46-51. 24 hr trend......1 degree cooler. Max humidity........74-80 percent. 24 hr trend......3 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 20 mph until 2400, then 10 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph. Mixing Height.......1800-3800 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....73-78. 24 hr trend......Unchanged. Min humidity........27-33 percent. 24 hr trend......7 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west around 10 mph with higher gusts. Ridge top winds.....Northwest 5 to 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Winds generally less than 10 mph. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. Winds generally less than 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs 73 to 78. $$ WYZ277-242115- Lincoln and Uinta Counties/Lower Elevations- Including the cities of Evanston, Fort Bridger, and Kemmerer 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....76-81. 24 hr trend......Unchanged. Min humidity........24-30 percent. 24 hr trend......3 percent drier. 20-foot winds.......West winds around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......9200-11200 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....49-54. 24 hr trend......1 degree cooler. Max humidity........73-79 percent. 24 hr trend......13 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......3400-5400 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....75-80. 24 hr trend......1 degree cooler. Min humidity........27-33 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph and gusty. Ridge top winds.....Southwest around 5 mph until 1200, then west around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 1200, then west. Mixing Height.......1200-3200 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....47-52. 24 hr trend......1 degree cooler. Max humidity........74-80 percent. 24 hr trend......Unchanged. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....North around 10 mph until 2400, then northwest. Chc of wetting rain.Zero percent. Transport winds.....Northeast around 10 mph. Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of thunder...0 percent. Max temperature.....75-80. 24 hr trend......Unchanged. Min humidity........23-29 percent. 24 hr trend......4 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west around 10 mph with higher gusts. Ridge top winds.....South around 5 mph until 1200, then west. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 5 mph until 1200, then west around 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 8000-10000 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 49 to 54. Highs 79 to 84. Winds generally less than 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs 75 to 80. $$ WYZ279-242115- Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Including the cities of Green River, Rock Springs, and Wamsutter 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Chance of thunderstorms and slight chance of showers. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....77-82. 24 hr trend......Unchanged. Min humidity........26-32 percent. 24 hr trend......Unchanged. 20-foot winds.......West winds around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......8000-10000 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the evening. Slight chance of showers early in the morning. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....52-57. 24 hr trend......3 degrees cooler. Max humidity........73-79 percent. 24 hr trend......8 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southwest winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon, then slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....77-82. 24 hr trend......1 degree cooler. Min humidity........38-44 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph with higher gusts. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....51-56. 24 hr trend......1 degree cooler. Max humidity........68-74 percent. 24 hr trend......1 percent wetter. Humidity recovery...Good. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 10 mph until 2400, then southwest. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph until 2400, then southwest. Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .TUESDAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....76-81. 24 hr trend......1 degree cooler. Min humidity........35-41 percent. 24 hr trend......1 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200. Winds west around 10 mph with higher gusts after 1500. Ridge top winds.....Southwest around 5 mph until 1200, then west around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2000-4000 ft agl until 1200, then 7800-9800 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Winds generally less than 10 mph. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 52 to 57. Highs in the mid 80s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 80s. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Highs around 80. $$ WYZ289-242115- Granite/Green/Ferris/Rattlesnake Mountains- Including the city of Jeffrey City 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....81-86. 24 hr trend......2 degrees warmer. Min humidity........19-25 percent. 24 hr trend......4 percent drier. 20-foot winds.......West winds around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......10600-11400 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....55-60. 24 hr trend......3 degrees cooler. Max humidity........60-66 percent. 24 hr trend......10 percent drier. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......4000-6000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....79-84. 24 hr trend......1 degree cooler. Min humidity........23-29 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west 10 to 15 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......2200-4200 ft agl until 1200, then 8000-10000 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....53-58. 24 hr trend......2 degrees cooler. Max humidity........62-68 percent. 24 hr trend......6 percent wetter. Humidity recovery...Good. 20-foot winds.......Northwest winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....75-80. 24 hr trend......3 degrees cooler. Min humidity........27-33 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 5 mph until 1200, then northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Southwest winds around 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs 78 to 83. $$ WYZ300-242115- Casper Mountain- 101 PM MDT Sun Aug 23 2026 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....80-85. 24 hr trend......3 degrees warmer. Min humidity........23-29 percent. 24 hr trend......7 percent drier. 20-foot winds.......Northwest winds around 15 mph with gusts to around 25 mph. Ridge top winds.....Northwest around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing Height.......10200-10800 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....56-61. 24 hr trend......2 degrees cooler. Max humidity........52-58 percent. 24 hr trend......20 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph until 2400, then southwest. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then southwest. Mixing Height.......4200-6200 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....78-83. 24 hr trend......2 degrees cooler. Min humidity........26-32 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west around 10 mph. Gusts up to 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......2800-4800 ft agl until 1200, then 8600-10600 ft agl. Smoke dispersal.....Fair to good until 1200, then very good to excellent. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms early in the evening, then slight chance of showers late in the evening. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....53-58. 24 hr trend......3 degrees cooler. Max humidity........63-69 percent. 24 hr trend......11 percent wetter. Humidity recovery...Good. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Southeast around 10 mph. Chc of wetting rain.10 percent until 2400, then zero percent. Transport winds.....Northwest around 10 mph until 2400, then south. Mixing Height.......3000-5000 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .TUESDAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....74-79. 24 hr trend......5 degrees cooler. Min humidity........35-41 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 70s. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs around 80. Southwest winds around 10 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. .SUNDAY...Partly cloudy. Highs in the upper 70s. $$