


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
407 FNUS55 KPIH 210706 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 106 AM MDT Thu Aug 21 2025 .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... Dry weather is likely through Friday. A few wind gusts to around 15 mph are likely this afternoon and Friday afternoon. A storm system will bring the next chance for showers and thunderstorms late this weekend into early next week. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... A few light showers is possible across extreme southeast Idaho this morning. Otherwise dry weather is likely through Friday. A few wind gusts of 15 to 25 mph are likely this afternoon and Friday afternoon. A storm system will bring the next chance for showers and thunderstorms late this weekend into early next week. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... Dry weather is likely through Friday. A few wind gusts of 15 to 20 mph are likely this afternoon and Friday afternoon. A storm system will bring the next chance for showers and thunderstorms late this weekend into early next week. IDZ475-212300- East Salmon River Mountains/Salmon NF- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Sunny. Areas of smoke. * Chc of thunder.....0 percent. * Max Temperature....77-84 valleys and 68-75 ridges. 24 hr trend......2 degrees down. * Min Humidity.......14-22 percent. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...North around 4 mph shifting to the northwest 4 to 6 mph in the afternoon. Ridges/upr slopes....West 4 to 7 mph. Gusts up to 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. .TONIGHT... * Sky/weather........Clear. Areas of smoke in the evening. * Chc of thunder.....0 percent. * Min Temperature....47-54. 24 hr trend......Little change. * Max Humidity.......43-51 percent. 24 hr trend......12 percent down. * 20ft winds......... Valleys/lwr slopes...North 4 to 7 mph. Ridges/upr slopes....Northwest 5 to 8 mph with gusts to around 15 mph shifting to the northeast 4 to 6 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest around 10 mph in the evening becoming light. .FRIDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....80-87 valleys and 71-78 ridges. 24 hr trend......3 degrees up. * Min Humidity.......12-17 percent. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...Northeast 4 to 6 mph. Ridges/upr slopes....Northeast 4 to 6 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10750-11750 ft AGL. * Transport Winds....Light winds. .Forecast days 3 through 7...... .SATURDAY...Clear. Lows 48 to 55. Highs 78 to 85. Northeast winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Partly cloudy. Lows 52 to 59. Highs 75 to 82. Northwest winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 52 to 59. Highs 71 to 78. Northwest winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 70s. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. $$ IDZ476-212300- Lemhi and Lost River Range/Challis NF- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Sunny. Areas of smoke. * Chc of thunder.....0 percent. * Max Temperature....79-86 valleys and 69-76 ridges. 24 hr trend......3 degrees down. * Min Humidity.......13-18 percent. 24 hr trend......3 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......12250-13250 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....47-54. 24 hr trend......Little change. * Max Humidity.......40-48 percent valleys and 35-43 percent ridges. 24 hr trend......11 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......0-1000 ft AGL. * Transport Winds....Northwest around 10 mph in the evening becoming light. .FRIDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....81-88 valleys and 71-78 ridges. 24 hr trend......2 degrees up. * Min Humidity.......11-16 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...North 4 to 8 mph. Ridges/upr slopes....Northwest 4 to 8 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11750-12750 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Clear. Lows 47 to 54. Highs 77 to 84. North winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Partly cloudy. Lows 51 to 58. Highs 74 to 81. North winds 5 to 10 mph with gusts to around 20 mph. .MONDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 52 to 59. Highs 69 to 76. Northwest winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. .WEDNESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the upper 60s. $$ IDZ422-212300- Sawtooth Range/Northern Sawtooth NF- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....80-87 valleys and 68-75 ridges. 24 hr trend......Little change. * Min Humidity.......12-17 percent. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 5 to 8 mph shifting to the southwest 6 to 11 mph in the afternoon. Ridges/upr slopes....West 4 to 8 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....West 10 to 15 mph. .TONIGHT... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....48-55. 24 hr trend......Little change. * Max Humidity.......30-38 percent valleys and 25-33 percent ridges. 24 hr trend......11 percent down. * 20ft winds......... Valleys/lwr slopes...West 6 to 11 mph shifting to the north 5 to 8 mph after midnight. Ridges/upr slopes....Northwest 5 to 8 mph with gusts to around 15 mph shifting to the northeast 4 to 7 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest around 10 mph shifting to the north after midnight. .FRIDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....83-90 valleys and 72-79 ridges. 24 hr trend......2 degrees up. * Min Humidity.......10-15 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...North 4 to 6 mph shifting to the southwest 5 to 8 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......11500-12500 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Clear. Lows 49 to 56. Highs 80 to 87. Northwest winds 5 to 10 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Lows 54 to 61. Highs 75 to 82. Northwest winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 51 to 58. Highs 72 to 79. Northwest winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. .WEDNESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the upper 60s. $$ IDZ425-212300- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 90. 24 hr trend......Little change. * Min Humidity.......13-18 percent. 24 hr trend......3 percent down. * 20ft winds.........Southwest winds 6 to 11 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....54-59. 24 hr trend......Little change. * Max Humidity.......35-43 percent. 24 hr trend......10 percent down. * 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 around 15 mph in the evening becoming light. .FRIDAY... * Sky/weather........Partly cloudy then becoming sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 93. 24 hr trend......2 degrees up. * Min Humidity.......11-16 percent. 24 hr trend......2 percent down. * 20ft winds.........Northeast winds 4 to 5 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......11250-12250 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the mid 90s. Northeast winds 5 to 10 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the lower 90s. East winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Partly cloudy. Slight chance of showers. Lows in the lower 60s. Highs in the upper 80s. North winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows around 60. Highs in the lower 80s. .WEDNESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. $$ IDZ427-212300- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....86-91 valleys and 79-86 ridges. 24 hr trend......Little change. * Min Humidity.......15-21 percent. 24 hr trend......4 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 9 mph. Ridges/upr slopes....Northwest 4 to 9 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......11000-12000 ft AGL. * Transport Winds....Northwest around 10 mph. .TONIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....56-63. 24 hr trend......2 degrees up. * Max Humidity.......29-37 percent valleys and 22-28 percent ridges. 24 hr trend......10 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 9 mph shifting to the southwest 4 to 6 mph after midnight. Ridges/upr slopes....Northwest 4 to 9 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest around 10 mph. .FRIDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 91 valleys and 82-89 ridges. 24 hr trend......2 degrees up. * Min Humidity.......13-18 percent. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...North 4 to 6 mph. Ridges/upr slopes....North 4 to 6 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 northwest around 10 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Mostly clear. Lows 57 to 64. Highs 87 to 94. North winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Mostly cloudy. Chance of showers. Lows 61 to 68. Highs 82 to 89. West winds 5 to 10 mph with gusts to around 15 mph. .MONDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 57 to 64. Highs 78 to 85. Southwest winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. .WEDNESDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. $$ IDZ410-212300- Upper Snake River Valley/Idaho Falls BLM- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Sunny. Areas of smoke in the morning. * Chc of thunder.....0 percent. * Max Temperature....84-91. 24 hr trend......Little change. * Min Humidity.......12-17 percent. 24 hr trend......3 percent down. * 20ft winds.........North winds 4 to 7 mph shifting to the southwest 6 to 11 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13250-14250 ft AGL. * Transport Winds....North around 10 mph shifting to the west in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....51-58. 24 hr trend......Little change. * Max Humidity.......42-50 percent. 24 hr trend......8 percent down. * 20ft winds.........Southwest winds 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. .FRIDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....85-92. 24 hr trend......Little change. * Min Humidity.......11-16 percent. 24 hr trend......Little change. * 20ft winds.........Northeast winds 4 to 7 mph shifting to the southwest in the afternoon. Gusts up to 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......12250-13250 ft AGL. * Transport Winds....Northeast around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Clear. Lows 51 to 58. Highs 86 to 93. Northeast winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Lows 54 to 61. Highs 83 to 90. Northeast winds 10 to 15 mph. .MONDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 54 to 61. Highs 78 to 85. Northeast winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs around 80. .WEDNESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. $$ IDZ411-212300- Centennial Mountains and Snake River Range/Targhee NF- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Sunny. Areas of smoke in the morning. * Chc of thunder.....0 percent. * Max Temperature....Around 86 valleys and 75-82 ridges. 24 hr trend......Little change. * Min Humidity.......15-22 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...North around 4 mph shifting to the west 4 to 6 mph in the afternoon. Ridges/upr slopes....North 5 to 8 mph shifting to the west in the afternoon. Gusts up to 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......11750-12750 ft AGL. * Transport Winds....North around 10 mph shifting to the west in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....48-55. 24 hr trend......Little change. * Max Humidity.......61-69 percent valleys and 47-55 percent ridges. 24 hr trend......6 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 6 mph shifting to the northeast 4 to 5 mph after midnight. Ridges/upr slopes....Northwest 5 to 8 mph shifting to the northeast 4 to 7 mph after midnight. Gusts up to 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....West around 10 mph shifting to the northeast after midnight. .FRIDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 86 valleys and 76-83 ridges. 24 hr trend......Little change. * Min Humidity.......14-21 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Northeast 4 to 5 mph shifting to the west in the afternoon. Ridges/upr slopes....Northeast 4 to 7 mph shifting to the west with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....North around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Clear. Lows 47 to 54. Highs 77 to 84. North winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Lows 49 to 56. Highs 75 to 82. North winds 5 to 10 mph with gusts to around 20 mph. .MONDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 57. Highs 69 to 76. North winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Highs in the lower 70s. .WEDNESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows around 50. Highs in the upper 60s. $$ IDZ413-212300- Caribou Range/Caribou NF- 106 AM MDT Thu Aug 21 2025 .Today... * Sky/weather........Partly cloudy. Slight chance of rain showers in the morning. * Chc of thunder.....0 percent. * Max Temperature....86-93 valleys and 78-85 ridges. 24 hr trend......3 degrees down. * Min Humidity.......15-23 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 8 mph. Ridges/upr slopes....Southwest 4 to 5 mph shifting to the west 6 to 9 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12250-13250 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Min Temperature....53-60. 24 hr trend......Little change. * Max Humidity.......36-44 percent valleys and 32-40 percent ridges. 24 hr trend......11 percent down. * 20ft winds......... Valleys/lwr slopes...North 4 to 8 mph. Ridges/upr slopes....Northwest 5 to 8 mph with gusts to around 15 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 in the evening becoming light. .FRIDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....87-94 valleys and 80-87 ridges. 24 hr trend......2 degrees up. * Min Humidity.......13-18 percent valleys and 14-22 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...Northeast 4 to 5 mph shifting to the west 4 to 6 mph in the afternoon. Ridges/upr slopes....Southeast 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......13250-14250 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Mostly clear. Lows 53 to 60. Highs 85 to 92. Northeast winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Chance of showers. Lows 55 to 62. Highs 80 to 87. East winds 5 to 10 mph with gusts to around 20 mph. .MONDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 54 to 61. Highs 75 to 82. South winds 5 to 10 mph with gusts to around 20 mph. .TUESDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. .WEDNESDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. $$ .OUTLOOK for August 28th to September 3rd: NEAR to BELOW NORMAL temperatures and ABOVE NORMAL precipitation. $$