FNUS55 KCYS 191907 FWFCYS Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska National Weather Service CHEYENNE WY 107 PM MDT Tue May 19 2026 .DISCUSSION... Fire weather concerns will remain minimal for the next several days thanks to recent moisture and a continuation of a cool and unsettled weather pattern through the rest of the work week. Temperatures will remain near to below seasonal averages through Friday, keeping RH relatively high. We will also have chances for precipitation continuing, with a few showers possible today and tomorrow. More widespread showers and isolated thunderstorms will be possible Thursday into Friday. There is a 60% or greater chance for wetting rainfall across the area during this period. Fire weather concerns may creep back up over the Memorial Day weekend as temperatures climb back above seasonal averages. NEZ434-201030- Pine Ridge/Nebraska National Forest- 107 PM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Min temperature.....33-38. 24 hr trend......5 degrees warmer. Max humidity........74-80 percent. 24 hr trend......27 percent drier. Humidity recovery...Good. 20-foot winds.......Southeast around 5 mph shifting to the south and gusty after midnight. Chc of wetting rain.Zero percent. Transport winds.....South 10 to 15 mph. Mixing height.......2900-4900 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (6200-17800 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 1200, then partly cloudy. Slight chance of showers until 1200. Chance of showers after 1200 until 1500, then slight chance of showers and thunderstorms. Max temperature.....61-66. 24 hr trend......6 degrees warmer. Min humidity........32-38 percent. 24 hr trend......11 percent wetter. 20-foot winds.......South 10 to 15 mph with gusts to around 35 mph. Chc of wetting rain.5 percent. Transport winds.....South around 20 mph. Mixing height.......2000-4000 ft AGL increasing to 5200-7200 ft AGL in the afternoon. Smoke dispersal.....Poor (37500 knot-ft) increasing to good (92600 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....39-44. 24 hr trend......5 degrees warmer. Max humidity........77-83 percent. 24 hr trend......6 percent wetter. Humidity recovery...Good. 20-foot winds.......South around 15 mph with gusts to around 35 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 20 mph. Mixing height.......1500-3500 ft AGL decreasing to 300-800 ft AGL after midnight. Smoke dispersal.....Poor (11200-32700 knot-ft). .THURSDAY... Sky/weather.........Partly cloudy until 1500, then mostly cloudy. Showers likely after 1200. Chance of thunderstorms after 1500. Max temperature.....66-71. 24 hr trend......4 degrees warmer. Min humidity........30-36 percent. 24 hr trend......2 percent drier. 20-foot winds.......South around 10 mph with higher gusts. Chc of wetting rain.20 percent. Transport winds.....South around 15 mph. Mixing height.......1600-3600 ft AGL increasing to 5400-7400 ft AGL in the afternoon. Smoke dispersal.....Poor (32300 knot-ft) increasing to good (91200 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the lower 60s. Northwest winds around 10 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers. Lows around 40. Highs in the mid 70s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows around 50. Highs in the upper 80s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. $$ NEZ435-201030- Box Butte/South Sioux/Niobrara River- 107 PM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Min temperature.....33-38. 24 hr trend......6 degrees warmer. Max humidity........81-87 percent. 24 hr trend......18 percent drier. Humidity recovery...Good. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....South 10 to 15 mph. Mixing height.......3400-5400 ft AGL decreasing to 400-900 ft AGL after midnight. Smoke dispersal.....Poor (6400-20600 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 1200, then partly cloudy until 1500, then mostly cloudy. Slight chance of showers until 0900, then chance of showers until 1500, then slight chance of showers and thunderstorms. Max temperature.....57-62. 24 hr trend......1 degree warmer. Min humidity........40-46 percent. 24 hr trend......22 percent wetter. 20-foot winds.......South 10 to 15 mph with higher gusts. Chc of wetting rain.10 percent. Transport winds.....South 20 to 25 mph. Mixing height.......1600-3600 ft AGL increasing to 4200-6200 ft AGL in the afternoon. Smoke dispersal.....Poor to good (35800-76200 knot-ft). .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....35-40. 24 hr trend......2 degrees warmer. Max humidity........87-93 percent. 24 hr trend......10 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South 10 to 15 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....South around 20 mph. Mixing height.......1400-3400 ft AGL decreasing to 500-1000 ft AGL after midnight. Smoke dispersal.....Poor (11400-35400 knot-ft). .THURSDAY... Sky/weather.........Partly cloudy until 1500, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....64-69. 24 hr trend......7 degrees warmer. Min humidity........35-41 percent. 24 hr trend......9 percent drier. 20-foot winds.......South 10 to 15 mph with higher gusts. Chc of wetting rain.15 percent. Transport winds.....South around 15 mph. Mixing height.......1600-3600 ft AGL increasing to 4900-6900 ft AGL in the afternoon. Smoke dispersal.....Poor (35000 knot-ft) increasing to good (90500 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 60s. Northwest winds around 10 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the lower 70s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 80s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the upper 80s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 80s. $$ NEZ436-201030- Lower North Platte River Basin/Scottsbluff National Monument- 107 PM MDT Tue May 19 2026 .TONIGHT... Sky/weather.........Partly cloudy until 2400, then mostly cloudy. Slight chance of showers after 2400. Min temperature.....36-41. 24 hr trend......8 degrees warmer. Max humidity........79-85 percent. 24 hr trend......18 percent drier. Humidity recovery...Good. 20-foot winds.......South around 5 mph. Chc of wetting rain.5 percent. Transport winds.....South 10 to 15 mph. Mixing height.......3100-5100 ft AGL decreasing to 400-1200 ft AGL after midnight. Smoke dispersal.....Poor (8800-15300 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 1500, then partly cloudy. Chance of showers until 1500, then slight chance of showers and thunderstorms. Max temperature.....57-63. 24 hr trend......Unchanged. Min humidity........39-45 percent. 24 hr trend......20 percent wetter. 20-foot winds.......South 10 to 15 mph with higher gusts. Chc of wetting rain.10 percent. Transport winds.....South around 20 mph. Mixing height.......1900-3900 ft AGL increasing to 4200-6200 ft AGL in the afternoon. Smoke dispersal.....Fair to good (40500-81300 knot-ft). .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....37-42. 24 hr trend......1 degree warmer. Max humidity........86-92 percent. 24 hr trend......7 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South 10 to 15 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....South 15 to 20 mph. Mixing height.......1300-3300 ft AGL decreasing to 400-900 ft AGL after midnight. Smoke dispersal.....Poor (8200-32800 knot-ft). .THURSDAY... Sky/weather.........Partly cloudy until 1500, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Showers likely after 1200. Chance of thunderstorms after 1500. Max temperature.....64-69. 24 hr trend......8 degrees warmer. Min humidity........38-44 percent. 24 hr trend......2 percent drier. 20-foot winds.......South 10 to 15 mph with higher gusts. Chc of wetting rain.20 percent. Transport winds.....South around 15 mph. Mixing height.......2000-4000 ft AGL increasing to 5600-7600 ft AGL in the afternoon. Smoke dispersal.....Poor (36600 knot-ft) increasing to good (90400 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with showers and chance of thunderstorms. Lows in the lower 40s. Highs in the lower 60s. Northwest winds around 10 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the mid 70s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 80s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the upper 80s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. $$ NEZ437-201030- Lodgepole Creek/Southern Nebraska Panhandle- 107 PM MDT Tue May 19 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers after 2100. Min temperature.....35-40. 24 hr trend......8 degrees warmer. Max humidity........89-95 percent. 24 hr trend......11 percent drier. Humidity recovery...Excellent. 20-foot winds.......South 5 to 10 mph. Gusts up to 15 mph increasing to 25 mph after midnight. Chc of wetting rain.5 percent. Transport winds.....South 10 to 15 mph. Mixing height.......3100-5100 ft AGL decreasing to 500-1500 ft AGL after midnight. Smoke dispersal.....Poor (11200-20200 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 1500, then partly cloudy. Chance of showers until 1500, then slight chance of showers and thunderstorms. Max temperature.....54-59. 24 hr trend......1 degree cooler. Min humidity........42-48 percent. 24 hr trend......19 percent wetter. 20-foot winds.......South around 15 mph with higher gusts. Chc of wetting rain.5 percent. Transport winds.....South 20 to 25 mph. Mixing height.......2100-4100 ft AGL. Smoke dispersal.....Fair to good (44000-68800 knot-ft). .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Patchy fog after 0500. Min temperature.....35-40. 24 hr trend......Unchanged. Max humidity........93-99 percent. 24 hr trend......11 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South around 10 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....South 15 to 20 mph. Mixing height.......900-2900 ft AGL. Smoke dispersal.....Poor (9200-27500 knot-ft). .THURSDAY... Sky/weather.........Partly cloudy until 1500, then mostly cloudy. Patchy fog until 0700. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....61-66. 24 hr trend......8 degrees warmer. Min humidity........43-49 percent. 24 hr trend......3 percent drier. 20-foot winds.......South 10 to 15 mph with higher gusts. Chc of wetting rain.10 percent. Transport winds.....South around 15 mph. Mixing height.......1700-3700 ft AGL increasing to 4800-6800 ft AGL in the afternoon. Smoke dispersal.....Poor to good (35000-82200 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers and chance of thunderstorms. Lows in the upper 30s. Highs in the lower 60s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the lower 70s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 80s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the mid 80s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 80s. $$ WYZ417-201030- Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Mostly clear. Widespread frost after 0200. Min temperature.....30-35. 24 hr trend......4 degrees warmer. Max humidity........79-85 percent. 24 hr trend......15 percent drier. Humidity recovery...Good. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing height.......3400-5400 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (4400-26200 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 1200, then mostly sunny until 1500, then partly cloudy. Widespread frost until 0700Areas of frost after 0700 until 0800. Slight chance of showers after 1200 until 1500. Max temperature.....63-68. 24 hr trend......12 degrees warmer. Min humidity........15-21 percent. 24 hr trend......6 percent drier. 20-foot winds.......South around 5 mph. Gusts up to 25 mph decreasing to 15 mph in the afternoon. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......2400-4400 ft AGL increasing to 8300-10300 ft AGL in the afternoon. Smoke dispersal.....Poor (23900 knot-ft) increasing to good (99200 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....34-39. 24 hr trend......5 degrees warmer. Max humidity........71-77 percent. 24 hr trend......10 percent drier. Humidity recovery...Good. 20-foot winds.......South 5 to 10 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......4400-6400 ft AGL decreasing to 400 ft AGL after midnight. Smoke dispersal.....Poor (5700-35800 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Areas of frost until 0700. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....61-66. 24 hr trend......2 degrees cooler. Min humidity........31-37 percent. 24 hr trend......17 percent wetter. 20-foot winds.......West around 5 mph and gusty shifting to the north with higher gusts in the afternoon. Chc of wetting rain.10 percent. Transport winds.....Northwest 10 to 15 mph. Mixing height.......1200-3200 ft AGL increasing to 4100-6100 ft AGL in the afternoon. Smoke dispersal.....Poor to good (14600-63900 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs in the lower 60s. Northwest winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of showers. Lows in the upper 30s. Highs in the lower 70s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 80s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the mid 80s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows around 50. Highs in the lower 80s. $$ WYZ418-201030- Middle North Platte River Basin/Niobrara and Converse High Plains- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost after 2300. Min temperature.....27-33. 24 hr trend......8 degrees warmer. Max humidity........84-90 percent. 24 hr trend......8 percent drier. Humidity recovery...Excellent. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......2800-4800 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (4600-23400 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy. Widespread frost until 0800. Slight chance of showers until 0900Slight chance of showers after 1200 until 1500. Max temperature.....60-65. 24 hr trend......11 degrees warmer. Min humidity........20-26 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southwest around 5 mph with higher gusts. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......2200-4200 ft AGL increasing to 7200-9200 ft AGL in the afternoon. Smoke dispersal.....Poor (25400 knot-ft) increasing to very good (108800 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Areas of frost after 0500. Min temperature.....33-38. 24 hr trend......4 degrees warmer. Max humidity........71-77 percent. 24 hr trend......20 percent drier. Humidity recovery...Good. 20-foot winds.......South around 5 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......3200-5200 ft AGL decreasing to 200-700 ft AGL after midnight. Smoke dispersal.....Poor (5500-35600 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy. Widespread frost until 0700. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....57-65. 24 hr trend......Unchanged. Min humidity........36-42 percent. 24 hr trend......14 percent wetter. 20-foot winds.......Southwest around 5 mph shifting to the northwest in the afternoon. Gusts up to 25 mph. Chc of wetting rain.15 percent. Transport winds.....West 10 to 15 mph. Mixing height.......1900-3900 ft AGL increasing to 4500-6500 ft AGL in the afternoon. Smoke dispersal.....Poor (18600 knot-ft) increasing to good (77000 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs around 60. Northwest winds around 10 mph. .SATURDAY...Warmer. Mostly clear. Slight chance of showers. Lows in the upper 30s. Highs in the lower 70s. West winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 70s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 80s. $$ WYZ419-201030- North Laramie Range and Adjacent High Plains- 107 PM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost after 2100. Min temperature.....24-32. 24 hr trend......1 degree warmer. Max humidity........83-89 percent. 24 hr trend......8 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......1100-3100 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (5800-13800 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny until 1500, then partly cloudy. Widespread frost until 0800. Max temperature.....47-57. 24 hr trend......9 degrees warmer. Min humidity........28-34 percent. 24 hr trend......18 percent drier. 20-foot winds.......West 5 to 10 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......1500-3500 ft AGL increasing to 4100-6100 ft AGL in the afternoon. Smoke dispersal.....Poor (21800 knot-ft) increasing to good (94500 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....31-37. 24 hr trend......11 degrees warmer. Max humidity........60-66 percent. 24 hr trend......26 percent drier. Humidity recovery...Fair. 20-foot winds.......Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph. Mixing height.......1900-3900 ft AGL decreasing to 400 ft AGL after midnight. Smoke dispersal.....Poor (6000-28300 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....50-60. 24 hr trend......1 degree warmer. Min humidity........39-45 percent. 24 hr trend......9 percent wetter. 20-foot winds.......West around 5 mph and gusty. Chc of wetting rain.15 percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......2300-4300 ft AGL increasing to 4400-6400 ft AGL in the afternoon. Smoke dispersal.....Poor to good (38000-81400 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers, snow showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs in the lower 50s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the mid 30s. Highs in the lower 60s. West winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 70s. West winds around 10 mph. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the mid 70s. .TUESDAY...Mostly clear with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. $$ WYZ420-201030- North Laramie Valley/Shirley Basin- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost after 2000. Min temperature.....20-26. 24 hr trend......1 degree warmer. Max humidity........91-97 percent. 24 hr trend......4 percent drier. Humidity recovery...Excellent. 20-foot winds.......Light winds. Chc of wetting rain.Zero percent. Transport winds.....South around 5 mph. Mixing height.......600-2600 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (3700-12700 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny until 1500, then partly cloudy. Widespread frost until 1000. Max temperature.....46-51. 24 hr trend......10 degrees warmer. Min humidity........36-42 percent. 24 hr trend......14 percent drier. 20-foot winds.......West around 5 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......1300-3300 ft AGL. Smoke dispersal.....Poor (14900 knot-ft) increasing to good (91000 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Widespread frost after 0200. Min temperature.....27-32. 24 hr trend......7 degrees warmer. Max humidity........69-75 percent. 24 hr trend......21 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest around 5 mph shifting to the south after midnight. Gusts up to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......900-2900 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (4700-31700 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....50-55. 24 hr trend......5 degrees warmer. Min humidity........43-49 percent. 24 hr trend......6 percent wetter. 20-foot winds.......Southwest around 5 mph and gusty. Chc of wetting rain.10 percent. Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. Mixing height.......1900-3900 ft AGL increasing to 4000-6000 ft AGL in the afternoon. Smoke dispersal.....Poor (29200 knot-ft) increasing to good (83900 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with showers, snow showers likely and slight chance of thunderstorms. Lows in the lower 30s. Highs in the lower 50s. Northwest winds around 5 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 30s. Highs in the lower 60s. West winds around 5 mph. .SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows around 40. Highs in the mid 70s. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. $$ WYZ421-201030- Ferris/Seminoe/Shirley Mountains- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Mostly clear. Widespread frost after 2100. Min temperature.....20-25. 24 hr trend......5 degrees warmer. Max humidity........73-79 percent. 24 hr trend......26 percent drier. Humidity recovery...Good. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing height.......400-2300 ft AGL. Smoke dispersal.....Poor (3700-10800 knot-ft). .WEDNESDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Widespread frost until 1000. Max temperature.....42-48. 24 hr trend......9 degrees warmer. Min humidity........40-46 percent. 24 hr trend......14 percent drier. 20-foot winds.......Southwest around 5 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......1400-3400 ft AGL. Smoke dispersal.....Poor (15300 knot-ft) increasing to good (82400 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....29-34. 24 hr trend......10 degrees warmer. Max humidity........61-67 percent. 24 hr trend......5 percent drier. Humidity recovery...Fair. 20-foot winds.......Southwest around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......1200-3200 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (4200-29900 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy. Chance of snow showers and slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....44-50. 24 hr trend......3 degrees warmer. Min humidity........52-58 percent. 24 hr trend......13 percent wetter. 20-foot winds.......Southwest around 5 mph and gusty. Chc of wetting rain.15 percent. Transport winds.....Southwest around 10 mph increasing to around 20 mph in the afternoon. Mixing height.......2300-4300 ft AGL. Smoke dispersal.....Poor to good (32500-79200 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers, snow showers likely and slight chance of thunderstorms. Lows in the lower 30s. Highs in the lower 50s. Northwest winds around 5 mph. .SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the lower 60s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows around 40. Highs in the upper 60s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the lower 40s. Highs in the lower 70s. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. $$ WYZ422-201030- Central and West Carbon- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Mostly clear. Widespread frost. Min temperature.....17-22. 24 hr trend......4 degrees warmer. Max humidity........86-92 percent. 24 hr trend......Unchanged. Humidity recovery...Excellent. 20-foot winds.......Southeast around 5 mph in the evening becoming light. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 5 mph shifting to the south after midnight. Mixing height.......300-2200 ft AGL. Smoke dispersal.....Poor (2800-9800 knot-ft). .WEDNESDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Patchy fog until 0900. Widespread frost until 1100. Max temperature.....43-48. 24 hr trend......11 degrees warmer. Min humidity........42-48 percent. 24 hr trend......19 percent drier. 20-foot winds.......Light winds becoming west around 5 mph in the afternoon. Gusts up to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......1300-3300 ft AGL. Smoke dispersal.....Poor (12900 knot-ft) increasing to good (67900 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....28-33. 24 hr trend......9 degrees warmer. Max humidity........63-69 percent. 24 hr trend......31 percent drier. Humidity recovery...Fair. 20-foot winds.......Southwest around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......1300-3300 ft AGL decreasing to 400 ft AGL after midnight. Smoke dispersal.....Poor (4200-27900 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....46-51. 24 hr trend......2 degrees warmer. Min humidity........51-57 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Southwest around 5 mph and gusty. Chc of wetting rain.10 percent. Transport winds.....Southwest around 10 mph increasing to around 20 mph in the afternoon. Mixing height.......1500-3500 ft AGL increasing to 4000-6000 ft AGL in the afternoon. Smoke dispersal.....Poor to good (34200-79400 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers likely with possible snow showers and thunderstorms. Lows in the lower 30s. Highs in the lower 50s. Northwest winds around 5 mph. .SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the lower 60s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the lower 40s. Highs in the mid 70s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. $$ WYZ423-201030- Southwest Carbon County- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Mostly clear. Widespread frost. Min temperature.....20-25. 24 hr trend......1 degree warmer. Max humidity........79-85 percent. 24 hr trend......16 percent drier. Humidity recovery...Good. 20-foot winds.......Northeast around 5 mph in the evening becoming light. Chc of wetting rain.Zero percent. Transport winds.....East 5 to 10 mph. Mixing height.......900-2900 ft AGL decreasing to 400 ft AGL after midnight. Smoke dispersal.....Poor (2200-12100 knot-ft). .WEDNESDAY... Sky/weather.........Mostly sunny. Widespread frost until 1000. Max temperature.....47-55. 24 hr trend......11 degrees warmer. Min humidity........32-38 percent. 24 hr trend......28 percent drier. 20-foot winds.......Light winds becoming west around 5 mph in the afternoon. Gusts up to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 5 mph increasing to around 15 mph in the afternoon. Mixing height.......1400-3400 ft AGL increasing to 3800-5800 ft AGL in the afternoon. Smoke dispersal.....Poor to good (11400-61000 knot-ft). .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy until 0300, then mostly cloudy. Widespread frost after 0300 until 0500. Min temperature.....29-34. 24 hr trend......8 degrees warmer. Max humidity........66-72 percent. 24 hr trend......12 percent drier. Humidity recovery...Fair. 20-foot winds.......South around 5 mph shifting to the southeast after midnight. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph shifting to the southeast after midnight. Mixing height.......2400-4400 ft AGL decreasing to 100-600 ft AGL after midnight. Smoke dispersal.....Poor (3200-24400 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....49-57. 24 hr trend......4 degrees warmer. Min humidity........46-52 percent. 24 hr trend......12 percent wetter. 20-foot winds.......South around 5 mph shifting to the west in the afternoon. Gusts up to 20 mph. Chc of wetting rain.10 percent. Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. Mixing height.......2100-4100 ft AGL increasing to 4600-6600 ft AGL in the afternoon. Smoke dispersal.....Poor to good (23200-66300 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Chance of showers, snow showers and slight chance of thunderstorms. Lows in the lower 30s. Highs in the mid 50s. Northwest winds around 5 mph. .SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the mid 60s. South winds around 5 mph. .SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the lower 70s. South winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the lower 40s. Highs in the mid 70s. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 70s. $$ WYZ424-201030- Sierra Madre Range/Medicine Bow NF- 107 PM MDT Tue May 19 2026 .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost after 2100. Min temperature.....20-25. 24 hr trend......8 degrees warmer. Max humidity........82-88 percent. 24 hr trend......19 percent drier. Humidity recovery...Excellent. 20-foot winds.......North around 5 mph shifting to the southeast after midnight. Gusts up to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northeast around 5 mph shifting to the south after midnight. Mixing height.......800-2800 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (2700-9700 knot-ft). .WEDNESDAY... Sky/weather.........Mostly sunny until 1200, then partly cloudy. Widespread frost until 0800. Max temperature.....42-52. 24 hr trend......8 degrees warmer. Min humidity........28-34 percent. 24 hr trend......36 percent drier. 20-foot winds.......Light winds becoming west around 5 mph in the afternoon. Gusts up to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 5 mph increasing to around 15 mph in the afternoon. Mixing height.......2800-4800 ft AGL. Smoke dispersal.....Poor (19000 knot-ft) increasing to good (70600 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....26-31. 24 hr trend......5 degrees warmer. Max humidity........57-63 percent. 24 hr trend......23 percent drier. Humidity recovery...Fair. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph shifting to the south after midnight. Mixing height.......1700-3700 ft AGL decreasing to 100-600 ft AGL after midnight. Smoke dispersal.....Poor (3800-18500 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Showers and snow showers likely after 1200. Chance of thunderstorms after 1500. Little or no snow accumulation. Max temperature.....45-53. 24 hr trend......5 degrees warmer. Min humidity........37-43 percent. 24 hr trend......12 percent wetter. 20-foot winds.......Southwest 5 to 10 mph with higher gusts. Chc of wetting rain.15 percent. Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. Mixing height.......2600-4600 ft AGL increasing to 4600-6600 ft AGL in the afternoon. Smoke dispersal.....Fair (58400 knot-ft) increasing to very good (116300 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with snow showers, showers likely and slight chance of thunderstorms. Lows in the upper 20s. Highs in the upper 40s. West winds around 5 mph. .SATURDAY...Partly cloudy. Lows around 30. Highs in the upper 50s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the mid 30s. Highs in the mid 60s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 30s. Highs in the upper 60s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 60s. $$ WYZ425-201030- Upper North Platte River Basin- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost after 2000. Min temperature.....20-25. 24 hr trend......3 degrees warmer. Max humidity........88-94 percent. 24 hr trend......4 percent drier. Humidity recovery...Excellent. 20-foot winds.......Light winds. Gusts up to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 5 mph. Mixing height.......600-2600 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (2800-10600 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny until 1200, then partly cloudy. Widespread frost until 0900. Max temperature.....48-53. 24 hr trend......10 degrees warmer. Min humidity........30-36 percent. 24 hr trend......29 percent drier. 20-foot winds.......Light winds becoming west around 5 mph in the afternoon. Gusts up to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 5 mph increasing to west around 15 mph in the afternoon. Mixing height.......1500-3500 ft AGL. Smoke dispersal.....Poor (15200 knot-ft) increasing to good (73000 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....28-33. 24 hr trend......7 degrees warmer. Max humidity........64-70 percent. 24 hr trend......27 percent drier. Humidity recovery...Fair. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing height.......1000-3000 ft AGL decreasing to 400 ft AGL after midnight. Smoke dispersal.....Poor (4500-24700 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....52-57. 24 hr trend......5 degrees warmer. Min humidity........38-44 percent. 24 hr trend......6 percent wetter. 20-foot winds.......South around 5 mph shifting to the west in the afternoon. Gusts up to 20 mph. Chc of wetting rain.10 percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......2300-4300 ft AGL increasing to 4300-6300 ft AGL in the afternoon. Smoke dispersal.....Fair (49300 knot-ft) increasing to very good (105600 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with showers, snow showers likely and slight chance of thunderstorms. Lows in the lower 30s. Highs in the mid 50s. Northwest winds around 5 mph. .SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the lower 60s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the upper 30s. Highs around 70. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the lower 40s. Highs in the mid 70s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. $$ WYZ426-201030- Snowy Range/Medicine Bow NF- 107 PM MDT Tue May 19 2026 .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost after 2100. Min temperature.....17-23. 24 hr trend......3 degrees warmer. Max humidity........89-95 percent. 24 hr trend......8 percent drier. Humidity recovery...Excellent. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 5 mph shifting to the southwest after midnight. Mixing height.......400-2400 ft AGL. Smoke dispersal.....Poor (3200-8700 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny until 1200, then partly cloudy. Widespread frost until 0800. Slight chance of snow showers after 1200 until 1500. Max temperature.....42-50. 24 hr trend......12 degrees warmer. Min humidity........32-38 percent. 24 hr trend......30 percent drier. 20-foot winds.......West around 5 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......2500-4500 ft AGL. Smoke dispersal.....Poor (23200 knot-ft) increasing to good (82900 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....23-29. 24 hr trend......2 degrees warmer. Max humidity........65-71 percent. 24 hr trend......24 percent drier. Humidity recovery...Fair. 20-foot winds.......Southwest around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......1400-3400 ft AGL decreasing to 100-600 ft AGL after midnight. Smoke dispersal.....Poor (4700-21500 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Showers, snow showers likely and chance of thunderstorms after 1200. Little or no snow accumulation. Max temperature.....45-53. 24 hr trend......5 degrees warmer. Min humidity........37-43 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Southwest around 5 mph and gusty. Chc of wetting rain.10 percent. Transport winds.....Southwest 15 to 20 mph. Mixing height.......3600-5600 ft AGL. Smoke dispersal.....Fair (59000 knot-ft) increasing to very good (116900 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with snow showers, showers and slight chance of thunderstorms. Lows in the upper 20s. Highs in the upper 40s. West winds around 5 mph. .SATURDAY...Partly cloudy. Lows in the upper 20s. Highs in the upper 50s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 30s. Highs in the mid 60s. Southwest winds around 10 mph. .MEMORIAL DAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 30s. Highs in the upper 60s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows around 40. Highs in the upper 60s. $$ WYZ427-201030- North Snowy Range Foothills- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost. Min temperature.....20-25. 24 hr trend......1 degree warmer. Max humidity........86-92 percent. 24 hr trend......8 percent drier. Humidity recovery...Excellent. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 10 mph shifting to the southwest after midnight. Mixing height.......400-1900 ft AGL. Smoke dispersal.....Poor (3400-8200 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny until 1200, then partly cloudy. Widespread frost until 1000. Max temperature.....44-49. 24 hr trend......11 degrees warmer. Min humidity........41-47 percent. 24 hr trend......24 percent drier. 20-foot winds.......West around 5 mph. Gusts up to 20 mph in the afternoon. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......900-2900 ft AGL. Smoke dispersal.....Poor (14600 knot-ft) increasing to good (76900 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....27-32. 24 hr trend......9 degrees warmer. Max humidity........60-66 percent. 24 hr trend......26 percent drier. Humidity recovery...Fair. 20-foot winds.......Southwest around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing height.......600-2600 ft AGL decreasing to 400 ft AGL after midnight. Smoke dispersal.....Poor (5200-27200 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Slight chance of thunderstorms and snow showers after 1200 until 1500. Chance of showers after 1200. Chance of thunderstorms after 1500. Max temperature.....49-54. 24 hr trend......5 degrees warmer. Min humidity........44-50 percent. 24 hr trend......6 percent wetter. 20-foot winds.......Southwest around 5 mph and gusty. Chc of wetting rain.10 percent. Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. Mixing height.......2600-4600 ft AGL. Smoke dispersal.....Fair to good (44500-87300 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with showers, snow showers likely and slight chance of thunderstorms. Lows in the lower 30s. Highs in the lower 50s. West winds around 5 mph. .SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the lower 60s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows around 40. Highs in the upper 60s. Southwest winds around 10 mph. .MEMORIAL DAY...Mostly clear. Lows in the lower 40s. Highs in the lower 70s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. $$ WYZ428-201030- Southern Laramie Valley- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Areas of frost after 1900 until 2000, then widespread frost. Patchy fog after 0300. Min temperature.....25-30. 24 hr trend......7 degrees warmer. Max humidity........92-98 percent. 24 hr trend......Unchanged. Humidity recovery...Excellent. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing height.......500-2500 ft AGL. Smoke dispersal.....Poor (5300-8500 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny until 1200, then partly cloudy. Widespread frost and patchy fog until 0900, then areas of frost until 1000. Slight chance of snow showers after 1200 until 1500. Slight chance of showers and thunderstorms after 1200. Max temperature.....48-53. 24 hr trend......11 degrees warmer. Min humidity........34-40 percent. 24 hr trend......28 percent drier. 20-foot winds.......Southwest around 5 mph shifting to the northwest in the afternoon. Gusts up to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......1900-3900 ft AGL. Smoke dispersal.....Poor (13800 knot-ft) increasing to good (71500 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Areas of frost after 2300 until 2400, then widespread frost until 0400. Min temperature.....27-32. 24 hr trend......3 degrees warmer. Max humidity........71-77 percent. 24 hr trend......22 percent drier. Humidity recovery...Good. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......1400-3400 ft AGL decreasing to 400 ft AGL after midnight. Smoke dispersal.....Poor (5200-20300 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Widespread frost until 0700. Chance of showers and thunderstorms after 1200. Max temperature.....53-58. 24 hr trend......5 degrees warmer. Min humidity........35-41 percent. 24 hr trend......1 percent drier. 20-foot winds.......South around 5 mph shifting to the west in the afternoon. Gusts up to 20 mph. Chc of wetting rain.5 percent. Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. Mixing height.......2700-4700 ft AGL increasing to 5200-7200 ft AGL in the afternoon. Smoke dispersal.....Poor (36800 knot-ft) increasing to good (92000 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers likely with possible snow showers and thunderstorms. Lows in the lower 30s. Highs in the lower 50s. Northwest winds around 5 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 30s. Highs in the lower 60s. West winds around 5 mph. .SUNDAY...Mostly clear. Lows in the upper 30s. Highs around 70. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 70s. $$ WYZ429-201030- Southern Laramie Range- 107 PM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of snow showers until 2100Slight chance of snow showers after 2400 until 0300. Widespread frost after 2000 until 2300Patchy fog after 2400. Min temperature.....27-32. 24 hr trend......9 degrees warmer. Max humidity........93-99 percent. 24 hr trend......Unchanged. Humidity recovery...Excellent. 20-foot winds.......South 5 to 10 mph. Gusts up to 15 mph increasing to 25 mph after midnight. Chc of wetting rain.5 percent. Transport winds.....South 10 to 15 mph. Mixing height.......500-2500 ft AGL. Smoke dispersal.....Poor (9800-11800 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy. Patchy fog until 0900. Slight chance of showers and snow showers until 1200Chance of showers, snow showers and slight chance of thunderstorms after 1200. Max temperature.....47-52. 24 hr trend......12 degrees warmer. Min humidity........36-42 percent. 24 hr trend......29 percent drier. 20-foot winds.......Southwest around 5 mph shifting to the west in the afternoon. Gusts up to 20 mph. Chc of wetting rain.5 percent. Transport winds.....West 10 to 15 mph. Mixing height.......1500-3500 ft AGL increasing to 4400-6400 ft AGL in the afternoon. Smoke dispersal.....Poor (20700 knot-ft) increasing to good (75900 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Widespread frost after 0300 until 0500. Min temperature.....30-35. 24 hr trend......4 degrees warmer. Max humidity........71-77 percent. 24 hr trend......25 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing height.......1400-3400 ft AGL decreasing to 300-1000 ft AGL after midnight. Smoke dispersal.....Poor (6400-20900 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Snow showers likely after 1200 until 1500. Showers likely and chance of thunderstorms after 1200. No snow accumulation. Max temperature.....52-57. 24 hr trend......4 degrees warmer. Min humidity........37-43 percent. 24 hr trend......1 percent drier. 20-foot winds.......Southwest around 5 mph and gusty. Chc of wetting rain.15 percent. Transport winds.....Southwest 15 to 20 mph. Mixing height.......2700-4700 ft AGL increasing to 4800-6800 ft AGL in the afternoon. Smoke dispersal.....Fair to good (42400-89500 knot-ft). .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers, chance of snow showers and thunderstorms. Lows in the lower 30s. Highs in the lower 50s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 30s. Highs around 60. West winds around 5 mph. .SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. West winds around 5 mph. .MEMORIAL DAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. $$ WYZ430-201030- Laramie Foothills and High Plains- 107 PM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers after 2100. Patchy fog after 0300. Min temperature.....32-37. 24 hr trend......10 degrees warmer. Max humidity........93-99 percent. 24 hr trend......Unchanged. Humidity recovery...Excellent. 20-foot winds.......South 5 to 10 mph. Gusts up to 15 mph increasing to 25 mph after midnight. Chc of wetting rain.5 percent. Transport winds.....South around 10 mph increasing to around 20 mph after midnight. Mixing height.......1900-3900 ft AGL decreasing to 800-1400 ft AGL after midnight. Smoke dispersal.....Poor (16600-16800 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy. Patchy fog until 0900. Slight chance of showers after 1200 until 1500. Slight chance of thunderstorms after 1200. Chance of showers after 1500. Max temperature.....55-60. 24 hr trend......8 degrees warmer. Min humidity........30-36 percent. 24 hr trend......17 percent drier. 20-foot winds.......Southwest 5 to 10 mph. Gusts up to 30 mph decreasing to 20 mph in the afternoon. Chc of wetting rain.5 percent. Transport winds.....Southwest around 15 mph. Mixing height.......1900-3900 ft AGL increasing to 4900-6900 ft AGL in the afternoon. Smoke dispersal.....Poor to good (33300-77900 knot-ft). .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Slight chance of showers after 2100 until 2400. Min temperature.....34-39. 24 hr trend......3 degrees warmer. Max humidity........84-90 percent. 24 hr trend......8 percent drier. Humidity recovery...Excellent. 20-foot winds.......South around 5 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph. Mixing height.......1600-3600 ft AGL decreasing to 300-1000 ft AGL after midnight. Smoke dispersal.....Poor (9700-26900 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1500, then mostly cloudy. Showers likely and chance of thunderstorms after 1200. Max temperature.....59-64. 24 hr trend......5 degrees warmer. Min humidity........35-41 percent. 24 hr trend......1 percent wetter. 20-foot winds.......South 5 to 10 mph with higher gusts. Chc of wetting rain.20 percent. Transport winds.....South 10 to 15 mph. Mixing height.......2700-4700 ft AGL increasing to 5000-7000 ft AGL in the afternoon. Smoke dispersal.....Poor (30300 knot-ft) increasing to good (88800 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the mid 30s. Highs in the upper 50s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the mid 30s. Highs in the upper 60s. West winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid 70s. West winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. $$ WYZ431-201030- Laramie East High Plains- 107 PM MDT Tue May 19 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers after 2100 until 2400, then chance of showers until 0300, then slight chance of showers. Min temperature.....34-39. 24 hr trend......8 degrees warmer. Max humidity........93-99 percent. 24 hr trend......4 percent drier. Humidity recovery...Excellent. 20-foot winds.......South 5 to 10 mph. Gusts up to 15 mph increasing to 25 mph after midnight. Chc of wetting rain.5 percent. Transport winds.....South 10 to 15 mph. Mixing height.......2500-4500 ft AGL decreasing to 700-1900 ft AGL after midnight. Smoke dispersal.....Poor (13800-21900 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 1500, then partly cloudy. Slight chance of showers until 1500, then chance of showers and slight chance of thunderstorms. Max temperature.....56-61. 24 hr trend......6 degrees warmer. Min humidity........35-41 percent. 24 hr trend......1 percent wetter. 20-foot winds.......South 10 to 15 mph with higher gusts. Chc of wetting rain.5 percent. Transport winds.....Southwest 15 to 20 mph. Mixing height.......1700-3700 ft AGL increasing to 3800-5800 ft AGL in the afternoon. Smoke dispersal.....Fair to good (45700-71900 knot-ft). .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....36-41. 24 hr trend......2 degrees warmer. Max humidity........92-98 percent. 24 hr trend......4 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South around 10 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....South around 15 mph. Mixing height.......1300-3300 ft AGL decreasing to 400-1000 ft AGL after midnight. Smoke dispersal.....Poor (8800-27100 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1500, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Showers likely after 1200. Chance of thunderstorms after 1500. Max temperature.....62-67. 24 hr trend......6 degrees warmer. Min humidity........36-42 percent. 24 hr trend......1 percent drier. 20-foot winds.......South around 10 mph with higher gusts. Chc of wetting rain.25 percent. Transport winds.....South around 15 mph. Mixing height.......2000-4000 ft AGL increasing to 5600-7600 ft AGL in the afternoon. Smoke dispersal.....Poor (26900 knot-ft) increasing to good (92900 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers and chance of thunderstorms. Lows in the upper 30s. Highs around 60. Northwest winds around 10 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the lower 70s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 70s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the lower 80s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs around 80. $$ WYZ432-201030- Bordeaux/Chugwater/Wheatland- 107 PM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers after 2400 until 0300. Areas of frost after 0500. Min temperature.....35-40. 24 hr trend......8 degrees warmer. Max humidity........84-90 percent. 24 hr trend......11 percent drier. Humidity recovery...Excellent. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....South 10 to 15 mph. Mixing height.......2400-4400 ft AGL decreasing to 400-900 ft AGL after midnight. Smoke dispersal.....Poor (7600-17500 knot-ft). .WEDNESDAY... Sky/weather.........Partly cloudy until 1200, then mostly sunny until 1500, then partly cloudy. Areas of frost until 0700. Slight chance of showers after 1200 until 1500. Max temperature.....60-65. 24 hr trend......10 degrees warmer. Min humidity........18-24 percent. 24 hr trend......17 percent drier. 20-foot winds.......Southwest around 5 mph. Gusts up to 30 mph decreasing to 20 mph in the afternoon. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph. Mixing height.......2200-4200 ft AGL increasing to 7000-9000 ft AGL in the afternoon. Smoke dispersal.....Poor (33800 knot-ft) increasing to very good (110100 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....37-42. 24 hr trend......2 degrees warmer. Max humidity........71-77 percent. 24 hr trend......22 percent drier. Humidity recovery...Good. 20-foot winds.......South 5 to 10 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph. Mixing height.......2900-4900 ft AGL decreasing to 500 ft AGL after midnight. Smoke dispersal.....Poor (6300-34900 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1200, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Showers likely after 1200. Chance of thunderstorms after 1500. Max temperature.....64-69. 24 hr trend......3 degrees warmer. Min humidity........29-35 percent. 24 hr trend......10 percent wetter. 20-foot winds.......South around 5 mph with higher gusts. Chc of wetting rain.20 percent. Transport winds.....West around 10 mph shifting to the south in the afternoon. Mixing height.......2500-4500 ft AGL increasing to 5600-7600 ft AGL in the afternoon. Smoke dispersal.....Poor (23900 knot-ft) increasing to good (83500 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows around 40. Highs in the lower 60s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows around 40. Highs in the lower 70s. West winds around 5 mph. .SUNDAY...Mostly clear. Lows in the upper 40s. Highs around 80. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs in the mid 80s. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ WYZ433-201030- Goshen/Middle-Lower North Platte River Basin- 107 PM MDT Tue May 19 2026 .TONIGHT... Sky/weather.........Partly cloudy until 2400, then mostly cloudy. Slight chance of showers after 2400. Min temperature.....35-40. 24 hr trend......8 degrees warmer. Max humidity........83-89 percent. 24 hr trend......15 percent drier. Humidity recovery...Excellent. 20-foot winds.......South around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing height.......2700-4700 ft AGL decreasing to 400-1000 ft AGL after midnight. Smoke dispersal.....Poor (6900-16300 knot-ft). .WEDNESDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy. Slight chance of showers until 0900. Slight chance of showers after 1200. Slight chance of thunderstorms after 1500. Max temperature.....63-68. 24 hr trend......8 degrees warmer. Min humidity........21-27 percent. 24 hr trend......3 percent drier. 20-foot winds.......South 5 to 10 mph with higher gusts. Chc of wetting rain.5 percent. Transport winds.....Southwest around 15 mph. Mixing height.......2300-4300 ft AGL increasing to 6800-8800 ft AGL in the afternoon. Smoke dispersal.....Fair (42400 knot-ft) increasing to very good (106800 knot-ft) in the afternoon. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....38-43. 24 hr trend......2 degrees warmer. Max humidity........78-84 percent. 24 hr trend......3 percent drier. Humidity recovery...Good. 20-foot winds.......South 5 to 10 mph and gusty. Chc of wetting rain.Zero percent. Transport winds.....South around 15 mph. Mixing height.......3100-5100 ft AGL decreasing to 200-700 ft AGL after midnight. Smoke dispersal.....Poor (6000-35800 knot-ft). .THURSDAY... Sky/weather.........Mostly cloudy until 0900, then partly cloudy until 1500, then mostly cloudy. Slight chance of thunderstorms after 1200 until 1500. Showers likely after 1200. Chance of thunderstorms after 1500. Max temperature.....67-72. 24 hr trend......5 degrees warmer. Min humidity........31-37 percent. 24 hr trend......11 percent wetter. 20-foot winds.......South 5 to 10 mph with higher gusts. Chc of wetting rain.25 percent. Transport winds.....South 10 to 15 mph. Mixing height.......2300-4300 ft AGL increasing to 6200-8200 ft AGL in the afternoon. Smoke dispersal.....Poor (26900 knot-ft) increasing to good (93500 knot-ft) in the afternoon. .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Northwest winds around 10 mph. .SATURDAY...Warmer. Mostly clear. Slight chance of showers. Lows around 40. Highs in the mid 70s. Southwest winds around 5 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. Southwest winds around 5 mph. .MEMORIAL DAY...Mostly clear. Lows around 50. Highs in the upper 80s. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. $$