


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
060 FNUS55 KPIH 192010 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 210 PM MDT Tue Aug 19 2025 .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... Isolated dry thunderstorms are possible today across the northern half of Zone 475, otherwise expect dry and very warm conditions. The warm temperatures continue into Wednesday but with a slight increase in humidity during the day. Isolated dry showers and thunderstorms will be possible on Wednesday along with continued warm temperatures. High pressure and dry conditions returns for Thursday through Saturday, but moisture may return by Sunday as monsoon moisture works around the high. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... Dry and very warm conditions continue today with areas of poor humidity recovery overnight especially in portions of the Snake Plain and the Caribou NF. Conditions remain warm and dry Wednesday, but there is a chance of isolated dry thunderstorms as a weak plume of moisture shifts across the region. High pressure returns for Thursday and Friday, but moisture working around the high may be able to reach southern portions of the district for Saturday. Better chances for thunderstorm activity exist for Sunday and beyond. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... Dry and very warm conditions continue today with areas of poor humidity recover overnight especially in portions of the Snake Plain and the Southern Sawtooth NF. Conditions remain warm and dry Wednesday, but there is a chance of isolated dry thunderstorms as a weak plume of moisture shifts across the region. High pressure returns for Thursday and Friday, but moisture working around the high may be able to reach southern portions of the district for Saturday. Better chances for thunderstorm activity exist for Sunday and beyond. IDZ475-201015- East Salmon River Mountains/Salmon NF- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Partly cloudy. Slight chance of rain in the evening. * Chc of thunder.....0 percent. * Min Temperature....51-58. 24 hr trend......Little change. * Max Humidity.......44-52 percent. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...West 5 to 10 mph. Ridges/upr slopes....West 5 to 10 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .WEDNESDAY... * Sky/weather........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 69-76 ridges. 24 hr trend......5 degrees down. * Min Humidity.......19-27 percent. 24 hr trend......9 percent up. * 20ft winds......... Valleys/lwr slopes...West 6 to 11 mph. Ridges/upr slopes....West 7 to 12 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......14250-15250 ft AGL. * Transport Winds....Light winds becoming southwest around 20 mph in the afternoon. .WEDNESDAY NIGHT... * Sky/weather........Clear. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....10 percent. * Min Temperature....46-53. 24 hr trend......5 degrees down. * Max Humidity.......57-65 percent. 24 hr trend......13 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 6 to 11 mph. Ridges/upr slopes....Northwest 6 to 11 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest around 15 mph in the evening becoming light. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....76-83 valleys and 68-75 ridges. 24 hr trend......2 degrees down. * Min Humidity.......14-22 percent. 24 hr trend......5 percent down. * 20ft winds......... Valleys/lwr slopes...Light winds becoming northwest 4 to 6 mph in the afternoon. Ridges/upr slopes....North around 4 mph shifting to the northwest 4 to 7 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 west around 10 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 47 to 54. Highs 77 to 84. North winds 5 to 10 mph with gusts to around 15 mph. .SATURDAY...Mostly clear. Lows 49 to 56. Highs 78 to 85. North winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 53 to 60. Highs 74 to 81. Northwest winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the mid 70s. $$ IDZ476-201015- Lemhi and Lost River Range/Challis NF- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....52-59. 24 hr trend......2 degrees up. * Max Humidity.......31-39 percent valleys and 26-34 percent ridges. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...South 10 to 15 mph. Ridges/upr slopes....South 10 to 15 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....South around 15 mph in the evening becoming light. .WEDNESDAY... * Sky/weather........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....81-88 valleys and 71-78 ridges. 24 hr trend......3 degrees down. * Min Humidity.......14-22 percent. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 8 to 13 mph. Ridges/upr slopes....Southwest 8 to 13 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......14500-16000 ft AGL. * Transport Winds....Light winds becoming southwest around 20 mph in the afternoon. .WEDNESDAY NIGHT... * Sky/weather........Clear. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....10 percent. * Min Temperature....46-53. 24 hr trend......6 degrees down. * Max Humidity.......55-63 percent valleys and 49-57 percent ridges. 24 hr trend......23 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 7 to 12 mph. Ridges/upr slopes....Northwest 7 to 12 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest 10 to 15 mph. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....78-85 valleys and 69-76 ridges. 24 hr trend......3 degrees down. * Min Humidity.......13-18 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 8 mph. Ridges/upr slopes....Northwest 4 to 9 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13250-14250 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 46 to 53. Highs 75 to 82. North winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Mostly clear. Lows 48 to 55. Highs 77 to 84. North winds 5 to 10 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 52 to 59. Highs 73 to 80. Northwest winds 5 to 10 mph with gusts to around 20 mph. .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. $$ IDZ422-201015- Sawtooth Range/Northern Sawtooth NF- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....53-60. 24 hr trend......2 degrees up. * Max Humidity.......30-38 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...South 6 to 11 mph shifting to the northwest 4 to 6 mph after midnight. Ridges/upr slopes....Southwest 7 to 12 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Southwest around 10 mph in the evening becoming light. .WEDNESDAY... * Sky/weather........Sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....81-88 valleys and 70-77 ridges. 24 hr trend......3 degrees down. * Min Humidity.......14-20 percent valleys and 17-24 percent ridges. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 7 to 12 mph. Ridges/upr slopes....Southwest 7 to 12 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....Southwest around 10 mph increasing to around 20 mph in the afternoon. .WEDNESDAY NIGHT... * Sky/weather........Clear. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....48-55. 24 hr trend......5 degrees down. * Max Humidity.......44-52 percent valleys and 40-48 percent ridges. 24 hr trend......11 percent up. * 20ft winds......... Valleys/lwr slopes...West 6 to 11 mph shifting to the north 6 to 9 mph after midnight. Ridges/upr slopes....West 6 to 11 mph shifting to the north 5 to 8 mph after midnight. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West around 15 mph shifting to the north after midnight. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....80-87 valleys and 69-76 ridges. 24 hr trend......2 degrees down. * Min Humidity.......12-17 percent. 24 hr trend......4 percent down. * 20ft winds......... Valleys/lwr slopes...North 5 to 8 mph shifting to the southwest 5 to 10 mph in the afternoon. Ridges/upr slopes....Northeast 4 to 6 mph shifting to the west 5 to 8 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 west around 15 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 48 to 55. Highs 77 to 84. Northwest winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Mostly clear. Lows 51 to 58. Highs 80 to 87. Northwest winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 54 to 61. Highs 74 to 81. Northwest winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the mid 70s. $$ IDZ425-201015- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....Around 60. 24 hr trend......3 degrees up. * Max Humidity.......37-45 percent. 24 hr trend......2 percent up. * 20ft winds.........South winds 6 to 11 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .WEDNESDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. Slight chance of rain showers in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....Around 91. 24 hr trend......6 degrees down. * Min Humidity.......16-24 percent. 24 hr trend......8 percent up. * 20ft winds.........West winds 7 to 12 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10750-11750 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .WEDNESDAY NIGHT... * Sky/weather........Mostly clear. Slight chance of showers in the evening. * Chc of thunder.....0 percent. * Min Temperature....54-59. 24 hr trend......4 degrees down. * Max Humidity.......45-53 percent. 24 hr trend......8 percent up. * 20ft winds.........West winds 6 to 11 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West 10 to 15 mph. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 90. 24 hr trend......2 degrees down. * Min Humidity.......13-18 percent. 24 hr trend......4 percent down. * 20ft winds.........West winds 4 to 8 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10500-11500 ft AGL. * Transport Winds....West around 10 mph. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Lows 54 to 59. Highs in the lower 90s. West winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Mostly clear. Lows 57 to 62. Highs in the mid 90s. Northeast winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers. Lows in the lower 60s. Highs in the upper 80s. Northeast winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows around 60. Highs in the upper 80s. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 50s. Highs in the mid 80s. $$ IDZ427-201015- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....60-67. 24 hr trend......3 degrees up. * Max Humidity.......32-40 percent valleys and 28-36 percent ridges. 24 hr trend......4 percent up. * 20ft winds......... Valleys/lwr slopes...South 7 to 12 mph. Ridges/upr slopes....Southwest 7 to 12 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .WEDNESDAY... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....83-90. 24 hr trend......3 degrees down. * Min Humidity.......19-27 percent. 24 hr trend......11 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 5 to 10 mph. Ridges/upr slopes....Northwest 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11750-12750 ft AGL. * Transport Winds....West 10 to 15 mph. .WEDNESDAY NIGHT... * Sky/weather........Mostly clear. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....56-63. 24 hr trend......4 degrees down. * Max Humidity.......38-46 percent valleys and 34-42 percent ridges. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...West 5 to 10 mph. Ridges/upr slopes....West 5 to 10 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest 10 to 15 mph. .THURSDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 88 valleys and 79-86 ridges. 24 hr trend......3 degrees down. * Min Humidity.......15-21 percent. 24 hr trend......5 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 8 mph. Ridges/upr slopes....Northwest 4 to 8 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10750-11750 ft AGL. * Transport Winds....Northwest around 10 mph. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Lows 57 to 64. Highs 84 to 91. Northwest winds 5 to 10 mph with gusts to around 15 mph. .SATURDAY...Partly cloudy. Chance of showers. Lows 58 to 65. Highs 86 to 93. Northeast winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 60 to 67. Highs 81 to 88. Southwest winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Partly cloudy with showers likely and chance of thunderstorms. Lows around 60. Highs in the lower 80s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. $$ IDZ410-201015- Upper Snake River Valley/Idaho Falls BLM- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....55-62. 24 hr trend......4 degrees up. * Max Humidity.......30-38 percent. 24 hr trend......3 percent down. * 20ft winds.........South winds 7 to 12 mph shifting to the east 5 to 8 mph after midnight. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....South around 10 mph. .WEDNESDAY... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....86-93. 24 hr trend......3 degrees down. * Min Humidity.......14-22 percent. 24 hr trend......7 percent up. * 20ft winds.........Southeast winds 4 to 6 mph shifting to the southwest 10 to 15 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....South around 10 mph increasing to southwest around 20 mph in the afternoon. .WEDNESDAY NIGHT... * Sky/weather........Mostly clear. Slight chance of rain showers in the evening. * Chc of thunder.....0 percent. * Min Temperature....52-59. 24 hr trend......2 degrees down. * Max Humidity.......50-58 percent. 24 hr trend......20 percent up. * 20ft winds.........Southwest winds 9 to 14 mph shifting to the northwest 6 to 9 mph after midnight. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Southwest around 15 mph shifting to the northwest after midnight. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....83-90. 24 hr trend......2 degrees down. * Min Humidity.......12-17 percent. 24 hr trend......3 percent down. * 20ft winds.........North winds 4 to 7 mph shifting to the southwest 5 to 8 mph in the afternoon. Gusts up to 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....North around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 51 to 58. Highs 85 to 92. Northwest winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Mostly clear. Lows 52 to 59. Highs 86 to 93. Northeast winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 54 to 61. Highs 81 to 88. Northeast winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 80s. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ IDZ411-201015- Centennial Mountains and Snake River Range/Targhee NF- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....53-60. 24 hr trend......3 degrees up. * Max Humidity.......35-43 percent valleys and 29-37 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the east after midnight. Ridges/upr slopes....Southeast 4 to 9 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....South around 10 mph. .WEDNESDAY... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 87 valleys and 77-84 ridges. 24 hr trend......2 degrees down. * Min Humidity.......17-23 percent. 24 hr trend......7 percent up. * 20ft winds......... Valleys/lwr slopes...East 4 to 5 mph shifting to the southwest 6 to 9 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph shifting to the southwest 7 to 12 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......11750-12750 ft AGL. * Transport Winds....South around 10 mph increasing to southwest around 20 mph in the afternoon. .WEDNESDAY NIGHT... * Sky/weather........Mostly clear. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....50-57. 24 hr trend......3 degrees down. * Max Humidity.......64-72 percent valleys and 50-58 percent ridges. 24 hr trend......24 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 5 to 8 mph in the evening becoming light. Ridges/upr slopes....Southwest 6 to 11 mph shifting to the northeast 5 to 8 mph after midnight. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....Southwest around 15 mph shifting to the north after midnight. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 85 valleys and 75-82 ridges. 24 hr trend......2 degrees down. * Min Humidity.......15-21 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Northeast around 4 mph shifting to the southwest 4 to 6 mph in the afternoon. Ridges/upr slopes....Northeast 5 to 8 mph shifting to the west in the afternoon. Gusts up to 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....Northwest around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 48 to 55. Highs 76 to 83. North winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Mostly clear. Lows 48 to 55. Highs 77 to 84. North winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 50 to 57. Highs 73 to 80. North winds 5 to 10 mph with gusts to around 20 mph. .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows around 50. Highs in the mid 70s. $$ IDZ413-201015- Caribou Range/Caribou NF- 210 PM MDT Tue Aug 19 2025 .Tonight... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....56-63. 24 hr trend......5 degrees up. * Max Humidity.......27-35 percent valleys and 23-31 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...South 5 to 10 mph. Ridges/upr slopes....South 5 to 10 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....South around 10 mph. .WEDNESDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....86-93. 24 hr trend......Little change. * Min Humidity.......13-20 percent. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 6 mph shifting to the west 6 to 11 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph shifting to the southwest 7 to 12 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......14000-15000 ft AGL. * Transport Winds....Light winds becoming southwest around 20 mph in the afternoon. .WEDNESDAY NIGHT... * Sky/weather........Mostly clear. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....55-62. 24 hr trend......2 degrees down. * Max Humidity.......42-50 percent. 24 hr trend......16 percent up. * 20ft winds......... Valleys/lwr slopes...West 6 to 9 mph shifting to the north 4 to 6 mph after midnight. Ridges/upr slopes....West 6 to 9 mph with gusts to around 20 mph shifting to the northeast 4 to 5 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest around 10 mph. .THURSDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....83-90. 24 hr trend......3 degrees down. * Min Humidity.......13-20 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 8 mph. Ridges/upr slopes....Northeast 4 to 5 mph shifting to the west 5 to 8 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....North around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Lows 54 to 61. Highs 84 to 91. North winds 5 to 10 mph with gusts to around 20 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows 54 to 61. Highs 85 to 92. Northeast winds 5 to 10 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 54 to 61. Highs 78 to 85. Southeast winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. $$ .OUTLOOK FOR WEDNESDAY AUGUST 27 THROUGH TUESDAY SEPTEMBER 2... Near to above normal temperatures and above normal precipitation. $$