FNUS55 KPIH 222124 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 324 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 422, 425, 427, 475, AND 476... .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... ...RED FLAG WARNING IN EFFECT THIS AFTERNOON TO 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FIRE WEATHER ZONES 475 AND 476... Scattered thunderstorms will continue into the evening hours. Gusty outflow winds, frequent lightning, and brief heavy downpours are likely near storms. Isolated to scattered storms are expected once again on Sunday. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FIRE WEATHER ZONE 410... Scattered thunderstorms will continue into the evening hours. Gusty outflow winds, frequent lightning, and brief heavy downpours are likely near storms. Isolated to scattered storms are expected once again on Sunday. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FIRE WEATHER ZONES 422 425 AND 427... Scattered thunderstorms will continue into the evening hours. Gusty outflow winds, frequent lightning, and brief heavy downpours are likely near storms. Isolated to scattered storms are expected once again on Sunday. IDZ475-231015- East Salmon River Mountains/Salmon NF- 324 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS... .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of showers and thunderstorms in the evening. * Chc of thunder.....40 percent. * Min Temperature....51-58. 24 hr trend......6 degrees down. * Max Humidity.......66-74 percent. 24 hr trend......9 percent up. * 20ft winds......... Valleys/lwr slopes...South 4 to 7 mph. Ridges/upr slopes....South 4 to 8 mph with gusts to around 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....South around 10 mph. .SUNDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....74-81 valleys and 65-72 ridges. 24 hr trend......4 degrees down. * Min Humidity.......14-22 percent. 24 hr trend......11 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 10 to 15 mph. Ridges/upr slopes....Southwest 11 to 16 mph with gusts to around 30 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10000-11000 ft AGL. * Transport Winds....Southwest around 10 mph increasing to around 25 mph in the afternoon. .SUNDAY NIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....45-52. 24 hr trend......6 degrees down. * Max Humidity.......44-52 percent. 24 hr trend......24 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 6 to 11 mph. Ridges/upr slopes....Southwest 6 to 11 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....West around 15 mph in the evening becoming light. .MONDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....76-83 valleys and 67-74 ridges. 24 hr trend......2 degrees up. * Min Humidity.......16-23 percent. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...Light winds becoming west 5 to 8 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......11250-12250 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 50 to 57. Highs 73 to 80. Southwest winds 5 to 10 mph with gusts to around 20 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 51 to 58. Highs 73 to 80. South winds 10 to 15 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Lows 50 to 57. Highs 72 to 79. South winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Mostly clear. Lows around 50. Highs in the lower 70s. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 70s. $$ IDZ476-231015- Lemhi and Lost River Range/Challis NF- 324 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS... .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....51-58. 24 hr trend......5 degrees down. * Max Humidity.......69-77 percent valleys and 63-71 percent ridges. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...South 4 to 8 mph. Ridges/upr slopes....South 4 to 9 mph with gusts to around 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .SUNDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....77-84 valleys and 66-73 ridges. 24 hr trend......2 degrees down. * Min Humidity.......14-22 percent valleys and 19-27 percent ridges. 24 hr trend......13 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 8 to 18 mph. Ridges/upr slopes....Southwest 9 to 19 mph with gusts to around 35 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10750-11750 ft AGL. * Transport Winds....South around 10 mph increasing to southwest around 25 mph in the afternoon. .SUNDAY NIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....46-53. 24 hr trend......5 degrees down. * Max Humidity.......39-47 percent valleys and 35-43 percent ridges. 24 hr trend......27 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 8 to 13 mph. Ridges/upr slopes....Southwest 8 to 13 mph. Gusts up to 30 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....West around 15 mph in the evening becoming light. .MONDAY... * Sky/weather........Partly cloudy. Slight chance of rain in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....77-84 valleys and 66-73 ridges. 24 hr trend......Little change. * Min Humidity.......15-23 percent valleys and 20-28 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Light winds becoming west 4 to 7 mph in the afternoon.Ridges/upr slopes....Southwest 5 to 10 mph. Gusts up to 20 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. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 49 to 56. Highs 72 to 79. West winds 5 to 10 mph with gusts to around 20 mph. .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 50 to 57. Highs 72 to 79. Southwest winds 10 to 15 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Slight chance of rain. Lows 49 to 56. Highs 72 to 79. Southwest winds 10 to 20 mph with gusts to around 25 mph. .FRIDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 70s. $$ IDZ422-231015- Sawtooth Range/Northern Sawtooth NF- 324 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS... .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Slight chance of rain after midnight. * Chc of thunder.....20 percent. * Min Temperature....51-58. 24 hr trend......3 degrees down. * Max Humidity.......68-76 percent valleys and 61-69 percent ridges. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 5 to 8 mph shifting to the north 4 to 5 mph after midnight. Ridges/upr slopes....Southwest 4 to 8 mph with gusts to around 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....Southwest around 10 mph shifting to the southeast after midnight. .SUNDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....77-84 valleys and 65-72 ridges. 24 hr trend......3 degrees down. * Min Humidity.......16-22 percent valleys and 19-26 percent ridges. 24 hr trend......14 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 12 to 17 mph. Ridges/upr slopes....Southwest 12 to 17 mph with gusts to around 30 mph. * Chc Wetting Rain...0 percent. * Mixing Height......9750-10750 ft AGL. * Transport Winds....South around 10 mph increasing to southwest around 25 mph in the afternoon. .SUNDAY NIGHT... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....47-54. 24 hr trend......4 degrees down. * Max Humidity.......36-44 percent valleys and 31-39 percent ridges. 24 hr trend......31 percent down. * 20ft winds......... Valleys/lwr slopes...West 8 to 13 mph shifting to the north 4 to 7 mph after midnight. Ridges/upr slopes....West 7 to 12 mph. Gusts up to 25 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 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....78-85 valleys and 67-74 ridges. 24 hr trend......2 degrees up. * Min Humidity.......17-24 percent valleys and 22-30 percent ridges. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...North 4 to 6 mph shifting to the southwest 6 to 9 mph in the afternoon. Ridges/upr slopes....Southwest 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11250-12250 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Slight chance of rain. Lows 50 to 57. Highs 74 to 81. West winds 5 to 10 mph with gusts to around 20 mph. .WEDNESDAY...Partly cloudy. Lows 51 to 58. Highs 74 to 81. Southwest winds 10 to 15 mph with gusts to around 20 mph. .THURSDAY...Partly cloudy. Lows 50 to 57. Highs 73 to 80. Southwest winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. .SATURDAY...Mostly clear. Lows around 50. Highs in the lower 70s. $$ IDZ425-231015- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 324 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS... .Tonight... * 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 61. 24 hr trend......5 degrees down. * Max Humidity.......74-82 percent. 24 hr trend......10 percent up. * 20ft winds.........South winds 6 to 9 mph with gusts to around 20 mph shifting to the east 4 to 5 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....South around 10 mph shifting to the east after midnight. .SUNDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 88. 24 hr trend......4 degrees down. * Min Humidity.......20-28 percent. 24 hr trend......6 percent down. * 20ft winds.........South winds 5 to 8 mph with gusts to around 15 mph shifting to the west 11 to 16 mph with gusts to around 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....South around 10 mph shifting to the west in the afternoon. .SUNDAY NIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....Around 59. 24 hr trend......3 degrees down. * Max Humidity.......50-58 percent. 24 hr trend......22 percent down. * 20ft winds.........West winds 7 to 12 mph with gusts to around 30 mph shifting to the east 4 to 5 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....West around 10 mph shifting to the north after midnight. .MONDAY... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....10 percent. * Max Temperature....Around 90. 24 hr trend......Little change. * Min Humidity.......20-28 percent. 24 hr trend......Little change. * 20ft winds.........Northeast winds around 4 mph shifting to the south 4 to 7 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11000-12000 ft AGL. * Transport Winds....Light winds becoming southwest around 10 mph in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Slight chance of rain. Lows in the upper 50s. Highs in the lower 90s. East winds 5 to 10 mph with gusts to around 20 mph. .WEDNESDAY...Partly cloudy. Lows in the lower 60s. Highs in the lower 90s.East winds 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Partly cloudy. Lows around 60. Highs in the upper 80s. East winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 80s. .SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. $$ IDZ427-231015- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 324 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS... .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....58-65. 24 hr trend......3 degrees down. * Max Humidity.......64-72 percent valleys and 55-63 percent ridges. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...South 4 to 9 mph. Ridges/upr slopes....South 4 to 9 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....South around 10 mph. .SUNDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Chance of showers and thunderstorms in the afternoon. * Chc of thunder.....30 percent. * Max Temperature....80-87. 24 hr trend......3 degrees down. * Min Humidity.......26-34 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 6 mph shifting to the west 5 to 8 mph in the afternoon. Ridges/upr slopes....Southwest 4 to 8 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....Southwest around 10 mph. .SUNDAY NIGHT... * Sky/weather........Partly cloudy then becoming mostly cloudy. * Chc of thunder.....0 percent. * Min Temperature....57-64. 24 hr trend......2 degrees down. * Max Humidity.......54-62 percent valleys and 44-52 percent ridges. 24 hr trend......11 percent down. * 20ft winds......... Valleys/lwr slopes...South 4 to 6 mph. Ridges/upr slopes....South 4 to 6 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .MONDAY... * Sky/weather........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms through the day. * Chc of thunder.....20 percent. * Max Temperature....Around 87 valleys and 79-86 ridges. 24 hr trend......Little change. * Min Humidity.......25-33 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...South around 4 mph shifting to the east 4 to 6 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....Light winds becoming southwest around 10 mph in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 56 to 63. Highs 81 to 88. South winds 5 to 10 mph with gusts to around 20 mph. .WEDNESDAY...Partly cloudy. Lows 59 to 66. Highs 82 to 89. South winds 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Partly cloudy. Lows 58 to 65. Highs 81 to 88. Southwest winds 5 to 10 mph with gusts to around 15 mph..FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. .SATURDAY...Partly cloudy with slight chance of rain. Lows in the upper 50s. Highs in the lower 80s. $$ IDZ410-231015- Upper Snake River Valley/Idaho Falls BLM- 324 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS... .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....54-60. 24 hr trend......5 degrees down. * Max Humidity.......76-84 percent. 24 hr trend......11 percent up. * 20ft winds.........South winds 6 to 11 mph with gusts to around 20 mph shifting to the east 4 to 6 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....Southwest around 15 mph shifting to the southeast after midnight. .SUNDAY... * Sky/weather........Partly cloudy then becoming sunny. * Chc of thunder.....0 percent. * Max Temperature....81-88. 24 hr trend......2 degrees down. * Min Humidity.......23-31 percent. 24 hr trend......8 percent down. * 20ft winds.........South winds 5 to 8 mph with gusts to around 15 mph shifting to the southwest 13 to 18 mph with gusts to around 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10500-11500 ft AGL. * Transport Winds....South around 10 mph increasing to southwest around 20 mph in the afternoon. .SUNDAY NIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....51-58. 24 hr trend......2 degrees down. * Max Humidity.......55-63 percent. 24 hr trend......21 percent down. * 20ft winds.........Southwest winds 11 to 16 mph with gusts to around 30 mph shifting to the southeast 4 to 7 mph with gusts to around 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........Partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....81-88. 24 hr trend......Little change. * Min Humidity.......20-28 percent. 24 hr trend......2 percent down. * 20ft winds.........Northeast winds 4 to 6 mph shifting to the southwest 5 to 8 mph with gusts to around 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...... .TUESDAY...Partly cloudy. Slight chance of rain. Lows 52 to 59. Highs 82 to 89. South winds 5 to 10 mph with gusts to around 20 mph. .WEDNESDAY...Partly cloudy. Lows 53 to 60. Highs 82 to 89. Northeast winds 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Partly cloudy. Slight chance of rain. Lows 52 to 59. Highs 81 to 88. East winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. $$ IDZ411-231015- Centennial Mountains and Snake River Range/Targhee NF- 324 PM MDT Sat Aug 22 2026 .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of showers and thunderstorms in the evening. * Chc of thunder.....50 percent. * Min Temperature....51-58. 24 hr trend......3 degrees down. * Max Humidity.......86-94 percent valleys and 76-84 percent ridges. 24 hr trend......8 percent up. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 6 mph in the evening becoming light. Ridges/upr slopes....Southwest 4 to 7 mph with gusts to around 15 mph shifting to the southeast around 4 mph after midnight. * Chc Wetting Rain...20 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .SUNDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 81 valleys and 71-78 ridges. 24 hr trend......2 degrees down. * Min Humidity.......33-41 percent. 24 hr trend......4 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 10 to 15 mph. Ridges/upr slopes....Southwest 10 to 15 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......8500-9500 ft AGL. * Transport Winds....South around 10 mph increasing to southwest around 20 mph in the afternoon. .SUNDAY NIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....47-54. 24 hr trend......3 degrees down. * Max Humidity.......78-86 percent valleys and 55-63 percent ridges. 24 hr trend......18 percent down. * 20ft winds......... Valleys/lwr slopes...South 5 to 8 mph in the evening becoming light. Ridges/upr slopes....South 6 to 11 mph. Gusts up to 25 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .MONDAY... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....Around 81 valleys and 71-78 ridges. 24 hr trend......Little change. * Min Humidity.......29-37 percent. 24 hr trend......8 percent down. * 20ft winds......... Valleys/lwr slopes...Light winds becoming southwest 4 to 6 mph in the afternoon. Ridges/upr slopes....Southeast 4 to 5 mph shifting to the southwest 5 to 8 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....Light winds becoming southwest around 15 mph in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Slight chance of showers. Lows 49 to 56. Highs 72 to 79. South winds 5 to 10 mph with gusts to around 20 mph. .WEDNESDAY...Partly cloudy. Lows 49 to 56. Highs 73 to 80. East winds 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 48 to 55. Highs 71 to 78. South winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. .SATURDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. $$ IDZ413-231015- Caribou Range/Caribou NF- 324 PM MDT Sat Aug 22 2026 .Tonight... * Sky/weather........Mostly cloudy then becoming partly cloudy. Chance of showers and thunderstorms in the evening. * Chc of thunder.....40 percent. * Min Temperature....55-62. 24 hr trend......2 degrees down. * Max Humidity.......74-82 percent valleys and 70-78 percent ridges. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...West 6 to 9 mph shifting to the southeast 4 to 6 mph after midnight. Ridges/upr slopes....West 5 to 8 mph with gusts to around 15 mph shifting to the south 4 to 6 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......400-1400 ft AGL. * Transport Winds....West around 10 mph shifting to the south after midnight. .SUNDAY... * Sky/weather........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....81-88 valleys and 74-81 ridges. 24 hr trend......3 degrees down. * Min Humidity.......29-37 percent valleys and 33-41 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...South 4 to 6 mph shifting to the southwest 6 to 9 mph in the afternoon. Ridges/upr slopes....Southwest 5 to 10 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......9750-10750 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .SUNDAY 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....53-60. 24 hr trend......Little change. * Max Humidity.......66-74 percent. 24 hr trend......7 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 6 mph shifting to the southeast around 4 mph after midnight. Ridges/upr slopes....Southwest 4 to 6 mph with gusts to around 15 mph shifting to the southeast after midnight. * 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. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....80-87 valleys and 73-80 ridges. 24 hr trend......Little change. * Min Humidity.......29-37 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...East around 4 mph shifting to the southwest 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...10 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 52 to 59. Highs 79 to 86. East winds 5 to 10 mph with gusts to around 15 mph. .WEDNESDAY...Partly cloudy. Lows 54 to 61. Highs 80 to 87. Southeast 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 in the mid 50s. Highs in the lower 80s. .SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 70s. $$ .OUTLOOK for Sunday August 30 to Saturday September 5: Above normal temperatures with near normal precipitation. $$