FNUS55 KPIH 231939 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 139 PM MDT Sun Aug 23 2026 .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... A few showers and thunderstorms are possible through early evening, with gusts over 35 mph with wetting rains not expected. Near critical fire conditions outside of thunderstorm areas are expected due to gusty winds and low humidity through this evening as well. Monsoon moisture remains in place through most of this week for a daily chance of thunderstorms. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... Showers and thunderstorms are expected through this evening, mainly across Zone 413, although isolated storms and/or outflow boundaries from storms may impact the rest of eastern Idaho. Gusts over 35 mph are expected with some gusts over 60 mph possible, along with a mix of wet and dry storms. Monsoon moisture remains in place through most of this week for a daily chance of thunderstorms. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... Showers and thunderstorms are expected through this evening, mainly across Zone 427, although isolated storms and/or outflow boundaries from storms may impact Zone 425 and the Magic Valley. Gusts over 35 mph are expected with some gusts over 60 mph possible, along with a mix of wet and dry storms. Monsoon moisture remains in place through most of this week for a daily chance of thunderstorms. IDZ475-241030- East Salmon River Mountains/Salmon NF- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Mostly clear. Patchy smoke after midnight. * Chc of thunder.....0 percent. * Min Temperature....45-51. 24 hr trend......6 degrees down. * Max Humidity.......42-50 percent. 24 hr trend......18 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 7 to 12 mph. Ridges/upr slopes....Southwest 7 to 12 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....West around 15 mph in the evening becoming light. .MONDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....76-83 valleys and 67-74 ridges. 24 hr trend......3 degrees up. * Min Humidity.......15-22 percent. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 8 mph. Ridges/upr slopes....West 4 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11000-12000 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .MONDAY NIGHT... * Sky/weather........Partly cloudy. Patchy smoke. * Chc of thunder.....0 percent. * Min Temperature....50-57. 24 hr trend......6 degrees up. * Max Humidity.......45-53 percent. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...West 4 to 6 mph shifting to the south around 4 mph after midnight. Ridges/upr slopes....Southwest 4 to 6 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....West around 10 mph in the evening becoming light. .TUESDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....77-84 valleys and 68-75 ridges. 24 hr trend......Little change. * Min Humidity.......18-26 percent. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...South around 4 mph shifting to the southwest 4 to 7 mph in the afternoon. Ridges/upr slopes....Southwest 4 to 8 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11250-12250 ft AGL. * Transport Winds....Light winds becoming southwest around 15 mph in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 51 to 58. Highs 74 to 81. South winds 5 to 10 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Lows 50 to 57. Highs 73 to 80. South winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Partly cloudy. Lows 48 to 55. Highs 72 to 79. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 70s. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs around 70. $$ IDZ476-241030- Lemhi and Lost River Range/Challis NF- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Partly cloudy. Isolated showers and thunderstorms in the evening. * Chc of thunder.....15 percent. * Min Temperature....45-52. 24 hr trend......5 degrees down. * Max Humidity.......37-45 percent valleys and 33-41 percent ridges. 24 hr trend......24 percent down. * 20ft winds......... Valleys/lwr slopes...West 10 to 15 mph. Ridges/upr slopes....West 12 to 17 mph with gusts to around 25 mph decreasing to 4 to 6 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....West around 15 mph in the evening becoming light. .MONDAY... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....15 percent. * Max Temperature....78-85 valleys and 66-73 ridges. 24 hr trend......Little change. * Min Humidity.......14-22 percent valleys and 20-28 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...West 4 to 8 mph. Ridges/upr slopes....West 4 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11000-12000 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .MONDAY NIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....15 percent. * Min Temperature....49-56. 24 hr trend......4 degrees up. * Max Humidity.......49-57 percent valleys and 45-53 percent ridges. 24 hr trend......13 percent up. * 20ft winds......... Valleys/lwr slopes...South 4 to 6 mph. Ridges/upr slopes....South 4 to 6 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .TUESDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....78-85 valleys and 67-74 ridges. 24 hr trend......Little change. * Min Humidity.......17-25 percent valleys and 23-31percent ridges. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...Light winds becoming southwest 4 to 6 mph in the afternoon. Ridges/upr slopes....Southwest 4 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12000-13000 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 50 to 57. Highs 73 to 80. Southwest winds 5 to 10 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Slight chance of rain. Lows 49 to 56. Highs 73 to 80. South winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Lows 48 to 55. Highs 71 to 78. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY...Partly cloudy. Slight chance of rain. Lows in the upper 40s. Highs in the lower 70s. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs around 70. $$ IDZ422-241030- Sawtooth Range/Northern Sawtooth NF- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....46-53. 24 hr trend......4 degrees down. * Max Humidity.......34-42 percent valleys and 29-37 percent ridges. 24 hr trend......28 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 10 to 15 mph. Ridges/upr slopes....West 10 to 15 mph. Gusts up to 25 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....West around 15 mph in the evening becoming light. .MONDAY... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....79-86 valleys and 67-74 ridges. 24 hr trend......2 degrees up. * Min Humidity.......16-23 percent valleys and 20-28 percent ridges. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 9 mph. Ridges/upr slopes....Southwest 5 to 10 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10500-11500 ft AGL. * Transport Winds....Light winds becoming southwest around 15 mph in the afternoon. .MONDAY NIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....15 percent. * Min Temperature....49-56. 24 hr trend......4 degrees up. * Max Humidity.......52-60 percent valleys and 46-54 percent ridges. 24 hr trend......17 percent up. * 20ft winds......... Valleys/lwr slopes...West 4 to 7 mph shifting to the north 4 to 5 mph after midnight. Ridges/upr slopes....Southwest 4 to 6 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .TUESDAY... * Sky/weather........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....15 percent. * Max Temperature....80-87 valleys and 68-75 ridges. 24 hr trend......Little change. * Min Humidity.......17-25 percent valleys and 24-32 percent ridges. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...Northeast 4 to 6 mph shifting to thesouthwest 6 to 9 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph shifting to the southwest 4 to 9 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......13250-14250 ft AGL. * Transport Winds....Light winds becoming southwest around 15 mph in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 51 to 58. Highs 75 to 82. Southwest winds 5 to 10 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Lows 50 to 57. Highs 74 to 81. Southwest winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Lows 48 to 55. Highs 71 to 78. West winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 70s. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. $$ IDZ425-241030- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....Around 58. 24 hr trend......2 degrees down. * Max Humidity.......50-58 percent. 24 hr trend......15 percent down. * 20ft winds.........Southwest winds 10 to 15 mph with gusts to around 30 mph shifting to the northeast 4 to 5 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .MONDAY... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 90. 24 hr trend......2 degrees up. * Min Humidity.......20-28 percent. 24 hr trend......Little change. * 20ft winds.........East winds 4 to 5 mph shifting to the south 6 to 9 mph with gusts to around 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....Light winds becoming southwest around 10 mph in the afternoon. .MONDAY NIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....Around 58. 24 hr trend......Little change. * Max Humidity.......66-74 percent. 24 hr trend......15 percent up. * 20ft winds.........South winds 5 to 8 mph with gusts to around 20 mph shifting to the northeast 4 to 5 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....South around 10 mph shifting to the east after midnight. .TUESDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 92. 24 hr trend......2 degrees up. * Min Humidity.......18-26 percent. 24 hr trend......2 percent down. * 20ft winds.........Northeast winds 4 to 6 mph shifting to the southeast 4 to 7 mph in the afternoon. Gusts up to 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13250-14250 ft AGL. * Transport Winds....East around 10 mph shifting to the southwest in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Lows in the lower 60s. Highs in the lower 90s. East winds 5 to 10 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Lows in the lower 60s. Highs around 90. East winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 80s. West winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY...Partly cloudy with slight chance of rain. Lows in the mid 50s. Highs in the mid 80s. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the lower 80s. $$ IDZ427-241030- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. * Chc of thunder.....25 percent. * Min Temperature....56-63. 24 hr trend......Little change. * Max Humidity.......55-63 percent valleys and 45-53 percent ridges. 24 hr trend......11 percent down. * 20ft winds......... Valleys/lwr slopes...South 4 to 7 mph. Ridges/upr slopes....South 4 to 7 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...10 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....South around 10 mph in the evening becoming light. .MONDAY... * Sky/weather........Partly cloudy. Chance of rain showers and slight chance of thunderstorms. * Chc of thunder.....25 percent. * Max Temperature....80-87. 24 hr trend......Little change. * Min Humidity.......26-34 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the southwest 4 to 7 mph in the afternoon. Ridges/upr slopes....Southwest 4 to 9 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......10000-11000 ft AGL. * Transport Winds....Southwest around 10 mph. .MONDAY NIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. * Chc of thunder.....25 percent. * Min Temperature....56-63. 24 hr trend......Little change. * Max Humidity.......62-70 percent valleys and 49-57 percent ridges. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...South 4 to 8 mph. Ridges/upr slopes....South 4 to 8 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....South around 10 mph. .TUESDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....15 percent. * Max Temperature....82-89. 24 hr trend......2 degrees up. * Min Humidity.......22-30 percent. 24 hr trend......4 percent down. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the northeast 4 to 6 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......11750-12750 ft AGL. * Transport Winds....Light winds becoming southwest around 10 mph in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 58 to 65. Highs 83 to 90. South winds 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Partly cloudy. Lows 59 to 66. Highs 82 to 89. Southwest winds 5 to 10 mph with gusts to around 20 mph. .FRIDAY...Partly cloudy. Slight chance of rain. Lows 57 to 64. Highs 79 to 86. Southwest winds 5 to 10 mph with gusts to around 25 mph. .SATURDAY...Partly cloudy with chance of rain. Lows in the upper 50s. Highs in the lower 80s. .SUNDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 70s. $$ IDZ410-241030- Upper Snake River Valley/Idaho Falls BLM- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....50-57. 24 hr trend......2 degrees down. * Max Humidity.......56-64 percent. 24 hr trend......12 percent down. * 20ft winds.........Southwest winds 12 to 17 mph with gusts to around 30 mph shifting to the southeast 5 to 8 mph with gusts to around 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .MONDAY... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....81-88. 24 hr trend......Little change. * Min Humidity.......20-28 percent. 24 hr trend......3 percent down. * 20ft winds.........East winds 4 to 6 mph shifting to the southwest 6 to 9 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10750-11750 ft AGL. * Transport Winds....Light winds becoming southwest around 15 mph in the afternoon. .MONDAY NIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....15 percent. * Min Temperature....51-58. 24 hr trend......Little change. * Max Humidity.......64-72 percent. 24 hr trend......6 percent up. * 20ft winds.........Southwest winds 5 to 8 mph with gusts to around 15 mph shifting to the northeast 4 to 6 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....Southwest around 15 mph shifting to the east after midnight. .TUESDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....83-90. 24 hr trend......2 degrees up. * Min Humidity.......18-26 percent. 24 hr trend......Little change. * 20ft winds.........Northeast winds 4 to 6 mph shifting to the southwest 4 to 7 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......13000-14000 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Lows 53 to 60. Highs 82 to 89. North winds 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Partly cloudy. Lows 52 to 59. Highs 82 to 89. Northeast winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Lows 52 to 59. Highs 79 to 86. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY...Partly cloudy with slight chance of rain. Lows in the lower 50s. Highs in the lower 80s. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. $$ IDZ411-241030- Centennial Mountains and Snake River Range/Targhee NF- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Partly cloudy. Isolated showers and thunderstorms in the evening. * Chc of thunder.....15 percent. * Min Temperature....47-54. 24 hr trend......2 degrees down. * Max Humidity.......79-87 percent valleys and 55-63 percent ridges. 24 hr trend......15 percentdown. * 20ft winds......... Valleys/lwr slopes...South 7 to 10 mph shifting to the southeast around 4 mph after midnight. Ridges/upr slopes....Southwest 8 to 13 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .MONDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. * Chc of thunder.....15 percent. * Max Temperature....Around 81 valleys and 70-77 ridges. 24 hr trend......Little change. * Min Humidity.......28-36 percent. 24 hr trend......7 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 7 mph. Ridges/upr slopes....Southwest 4 to 7 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......9000-10000 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .MONDAY NIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. * Chc of thunder.....15 percent. * Min Temperature....48-55. 24 hr trend......Little change. * Max Humidity.......77-85 percent valleys and 59-67 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...South around 4 mph shifting to the east after midnight. Ridges/upr slopes....Southwest 4 to 6 mph with gusts to around 15 mph shifting to the east around 4 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .TUESDAY... * Sky/weather........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....10 percent. * Max Temperature....Around 83 valleys and 72-79 ridges. 24 hr trend......2 degrees up. * Min Humidity.......26-34 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...East around 4 mph shifting to the southwest 4 to 5 mph in the afternoon. Ridges/upr slopes....East around 4 mph shifting to the southwest 4 to 6 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10500-11500 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Lows 48 to 55. Highs 73 to 80. East winds 5 to 10 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 48 to 55. Highs 72 to 79. Southeast winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Slight chance of showers. Lows 48 to 55. Highs 69 to 76. South winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 60s. $$ IDZ413-241030- Caribou Range/Caribou NF- 139 PM MDT Sun Aug 23 2026 .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of showers and slight chance of thunderstormsin the evening. * Chc of thunder.....25 percent. * Min Temperature....52-59. 24 hr trend......Little change. * Max Humidity.......66-74 percent. 24 hr trend......7 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 5 to 8 mph shifting to the southeast 4 to 5 mph after midnight. Ridges/upr slopes....South 4 to 8 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...10 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....Southwest around 10 mph shifting to the southeast after midnight. .MONDAY... * Sky/weather........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. * Chc of thunder.....25 percent. * Max Temperature....80-87 valleys and 72-79 ridges. 24 hr trend......Little change. * Min Humidity.......29-37 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the southwest 4 to 6 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph shifting to the west 4 to 7 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .MONDAY NIGHT... * Sky/weather........Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening. * Chc of thunder.....25 percent. * Min Temperature....51-58. 24 hr trend......Little change. * Max Humidity.......67-75 percent valleys and 63-71 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...East 4 to 6 mph. Ridges/upr slopes....East 4 to 6 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...10 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....Northwest around 10 mph shifting to the east after midnight. .TUESDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....83-90 valleys and 74-81 ridges. 24 hr trend......2 degrees up. * Min Humidity.......22-30 percent. 24 hr trend......7 percent down. * 20ft winds......... Valleys/lwr slopes...East around 4 mph shifting to the west 4 to 6 mph in the afternoon. Ridges/upr slopes....Southeast 4 to 5 mph shifting to the west 4 to 7 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12500-13500 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .WEDNESDAY...Partly cloudy. Lows 53 to 60. Highs 81 to 88. East winds 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Partly cloudy. Lows 54 to 61. Highs 80 to 87. Southeast winds 10 to 15 mph with gusts to around 20 mph. .FRIDAY...Partly cloudy. Lows 53 to 60. Highs 78 to 85. South winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Partly cloudy with slight chance of rain. Lows in the mid 50s. Highs in the upper 70s. .SUNDAY...Partly cloudy with slight chance of rain. Lows in the lower 50s. Highs in the mid 70s. $$ .OUTLOOK FOR August 31st-September 6th: ABOVE AVERAGE temperatures and NEAR AVERAGE precipitation. $$