FNUS55 KPIH 080809 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 209 AM MDT Wed Jul 8 2026 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONE 427... .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... Isolated to scattered thunderstorms are likely today. Gusty outflow winds are likely near storms. Drier weather should arrive on Thursday and beyond. With very hot weather, low humidity and potentially gusty winds for the weekend. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... Isolated to scattered thunderstorms are likely today. Gusty outflow winds are likely near storms. Drier weather should arrive on Thursday and beyond. With very hot weather, low humidity and potentially gusty winds for the weekend. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONE 427... Isolated to scattered thunderstorms are likely today. Gusty outflow winds are likely near storms. Drier weather should arrive on Thursday and beyond. With very hot weather, low humidity and potentially gusty winds for the weekend. IDZ475-082215- East Salmon River Mountains/Salmon NF- 209 AM MDT Wed Jul 8 2026 .Today... * Sky/weather........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 67-74 ridges. 24 hr trend......Little change. * Min Humidity.......19-27 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 5 to 10 mph. Ridges/upr slopes....Southwest 6 to 11 mph with gusts to around 20 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........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....50-57 valleys and around 49 ridges. 24 hr trend......Little change. * Max Humidity.......61-69 percent. 24 hr trend......13 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 evening. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....Northwest around 10 mph in the evening becoming light. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....76-83 valleys and 67-74 ridges. 24 hr trend......Little change. * Min Humidity.......15-23 percent. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...West 6 to 11 mph. Ridges/upr slopes....West 7 to 12 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....West around 10 mph increasing to around 20 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 47 to 54. Highs 75 to 82. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 52 to 59. Highs 80 to 87. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows 55 to 62. Highs 81 to 88. Southwest winds 10 to 20 mph with gusts to around 30 mph. .MONDAY...Partly cloudy. Lows in theupper 50s. Highs around 80. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. $$ IDZ476-082215- Lemhi and Lost River Range/Challis NF- 209 AM MDT Wed Jul 8 2026 .Today... * 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 67-74 ridges. 24 hr trend......Little change. * Min Humidity.......16-24 percent valleys and 20-28 percent ridges. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...West 4 to 9 mph. Ridges/upr slopes....West 5 to 10 mph with gusts to around 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming mostly clear. Slight chance of rain in the evening. * Chc of thunder.....0 percent. * Min Temperature....47-54. 24 hr trend......Little change. * Max Humidity.......57-65 percent valleys and 53-61 percent ridges. 24 hr trend......12 percent up. * 20ft winds......... Valleys/lwr slopes...West 5 to 8 mph in the evening becoming light. Ridges/upr slopes....West 5 to 10 mph with gusts to around 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....West around 10 mph in the evening becoming light. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....78-85 valleys and 67-74 ridges. 24 hr trend......Little change. * Min Humidity.......13-18 percent valleys and 16-23 percent ridges. 24 hr trend......4 percent down. * 20ft winds......... Valleys/lwr slopes...West 7 to 12 mph. Ridges/upr slopes....West 8 to 13 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....West around 10 mph increasing to around 20 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 47 to 54. Highs 75 to 82. West winds 10 to 20 mph with gusts to around 25 mph. .SATURDAY...Breezy, clear. Lows 51 to 58. Highs 81 to 88. Southwest winds 15 to 25 mph with gusts to around 35 mph. .SUNDAY...Breezy. Mostly clear. Lows 55 to 62. Highs 83 to 90. Southwest winds 15 to 25 mph with gusts to around 40 mph. .MONDAY...Partly cloudy. Lows around 60. Highs in the lower 80s. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. $$ IDZ422-082215- Sawtooth Range/Northern Sawtooth NF- 209 AM MDT Wed Jul 8 2026 .Today... * Sky/weather........Mostly sunny. Slight chance of rain in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....81-88 valleys and 68-75 ridges. 24 hr trend......2 degrees up. * Min Humidity.......15-23 percent valleys and 21-29 percent ridges. 24 hr trend......Little change. * 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...10 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming mostly clear. Slight chance of rain in the evening. * Chc of thunder.....0 percent. * Min Temperature....48-55. 24 hr trend......Little change. * Max Humidity.......51-59 percent. 24 hr trend......17 percent up. * 20ft winds......... Valleys/lwr slopes...West 7 to 12 mph shifting to the northwest 4 to 7 mph after midnight. Ridges/upr slopes....West 6 to 11 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...10 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....West around 10 mph in the evening becoming light. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....79-86 valleys and 66-73 ridges. 24 hr trend......2 degrees down. * Min Humidity.......12-20 percent valleys and 19-27 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...West 10 to 15 mph. Ridges/upr slopes....West 10 to 15 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......12000-13000 ft AGL. * Transport Winds....West around 10 mph increasing to around 20 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 47 to 54. Highs 77 to 84. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 52 to 59. Highs 81 to 88. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows 55 to 62. Highs 81 to 88. Southwest winds 10 to 20 mph with gusts to around 35 mph. .MONDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs around 80. $$ IDZ425-082215- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 209 AM MDT Wed Jul 8 2026 .Today... * Sky/weather........Sunny then becoming partly cloudy. Slight chance of rain in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....Around 94. 24 hr trend......2 degrees up. * Min Humidity.......16-24 percent. 24 hr trend......Little change. * 20ft winds.........East winds 4 to 5 mph shifting to the southwest 8 to 13 mph with gusts to around 35 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......14000-15000 ft AGL. * Transport Winds....East around 10 mph shifting to the southwest in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming mostly clear. Chance of rain in the evening. * Chc of thunder.....0 percent. * Min Temperature....Around 57. 24 hr trend......Little change. * Max Humidity.......56-64 percent. 24 hr trend......7 percent up. * 20ft winds.........West winds 9 to 14 mph with gusts to around 25 mph shifting to the northeast 4 to 7 mph with gusts to around 15 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....West 10 to 15 mph. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 92. 24 hr trend......2 degrees down. * Min Humidity.......13-21 percent. 24 hr trend......3 percent down. * 20ft winds.........West winds 10 to 15 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......13250-14250 ft AGL. * Transport Winds....West 10 to 15 mph. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows inthe upper 50s. Highs in the mid 90s. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 58 to 63. Highs in the upper 90s. West winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 90s. West winds 10 to 20 mph with gusts to around 30 mph. .MONDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid 90s. .TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 90s. $$ IDZ427-082215- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 209 AM MDT Wed Jul 8 2026 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS... .Today... * Sky/weather........Sunny then becoming mostly cloudy. Chance of rain showers and thunderstorms in the afternoon. * Chc of thunder.....25 percent. * Max Temperature....88-93 valleys and 80-87 ridges. 24 hr trend......3 degrees up. * Min Humidity.......19-27 percent. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the southwest 4 to 9 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph shifting to the west 5 to 10 mph with gusts to around 30 mph in the afternoon. * Chc Wetting Rain...20 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....Light winds becoming southwest around 15 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming clear. Chance of showers and thunderstorms in the evening. * Chc of thunder.....30 percent. * Min Temperature....55-62. 24 hr trend......2 degrees down. * Max Humidity.......49-57 percent. 24 hr trend......7 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 5 to 10 mph. Ridges/upr slopes....Southwest 5 to 10 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. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....88-93 valleys and 80-87 ridges. 24 hr trend......Little change. * Min Humidity.......13-21 percent. 24 hr trend......4 percent down. * 20ft winds......... Valleys/lwr slopes...Northwest 5 to 10 mph. Ridges/upr slopes....Northwest 5 to 10 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......13250-14250 ft AGL. * Transport Winds....West 10 to 15 mph. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 56 to 63. Highs 88 to 95. West winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Clear. Lows 60 to 67. Highs 92 to 99. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Mostly clear. Lows 63 to 70. Highs 92 to 99. Southwest winds 10 to 15 mph with gusts to around 25 mph. .MONDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower 90s. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the upper 80s. $$ IDZ410-082215- Upper Snake River Valley/Idaho Falls BLM- 209 AM MDT Wed Jul 8 2026 .Today... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....85-92. 24 hr trend......Little change. * Min Humidity.......16-24 percent. 24 hr trend......Little change. * 20ft winds.........East winds 4 to 6 mph shifting to the southwest 6 to 9 mph with gusts to around 20 mph in the afternoon. *Chc Wetting Rain...0 percent. * Mixing Height......14250-15750 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of rain in the evening. * Chc of thunder.....0 percent. * Min Temperature....52-58. 24 hr trend......Little change. * Max Humidity.......57-65 percent. 24 hr trend......5 percent up. * 20ft winds.........West winds 6 to 11 mph with gusts to around 20 mph shifting to the northeast 4 to 7 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....West around 15 mph shifting to the northeast after midnight. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....84-91. 24 hr trend......Little change. * Min Humidity.......12-20 percent. 24 hr trend......3 percent down. * 20ft winds.........Southwest winds 8 to 13 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......14500-16000 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 53 to 59. Highs 86 to 93. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 56 to 62. Highs 91 to 98. South winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows 58 to 65. Highs 94 to 101. South winds 10 to 20 mph with gusts to around 35 mph. .MONDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid 90s. .TUESDAY...Partly cloudy. Lows in the lower 60s. Highs around 90. $$ IDZ411-082215- Centennial Mountains and Snake River Range/Targhee NF- 209 AM MDT Wed Jul 8 2026 .Today... * Sky/weather........Sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....10 percent. * Max Temperature....82-87 valleys and 73-80 ridges. 24 hr trend......2 degrees up. * Min Humidity.......19-24 percent valleys and 20-28 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...Southeast around 4 mph shifting to the west 4 to 6 mph in the afternoon. Ridges/upr slopes....South 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. .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....49-56. 24 hr trend......Little change. * Max Humidity.......65-73 percent valleys and 56-64 percent ridges. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...West 4 to 5 mph in the evening becoming light. Ridges/upr slopes....West 4 to 7 mph shifting to the east 4 to 6 mph after midnight. Gusts up to 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....West around 10 mph in the evening becoming light. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 84 valleys and 73-80 ridges. 24 hr trend......Little change. * Min Humidity.......19-27 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Light winds becoming west 4 to 6 mph in the afternoon. Ridges/upr slopes....Southwest 4 to 8 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 50 to 57. Highs 76 to 83. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 52 to 59. Highs 82 to 89. South winds 10 to 20 mph with gusts to around 35 mph. .SUNDAY...Mostly clear. Lows 56 to 63. Highs 85 to 92. Southeast winds 10 to 20 mph with gusts to around 35 mph. .MONDAY...Partly cloudy. Lows around 60. Highs in the mid 80s. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 60. Highs in the lower 80s. $$ IDZ413-082215- Caribou Range/Caribou NF- 209 AM MDT Wed Jul 8 2026 .Today... * Sky/weather........Sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....85-92 valleys and 77-84 ridges. 24 hr trend......2 degrees up. * Min Humidity.......17-25 percent. 24 hr trend......5 percent down. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the west 5 to 8 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph shifting to the west 6 to 9 mph in the afternoon. Gusts up to 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......14500-15500 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of rain in the evening. * Chc of thunder.....0 percent. * Min Temperature....52-59. 24 hr trend......Little change. * Max Humidity.......52-60 percent. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...West 5 to 8 mph shifting to the east around 4 mph after midnight. Ridges/upr slopes....West 5 to 8 mph with gusts to around 15 mph shifting to the southeast 4 to 5 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......300-1300 ft AGL. * Transport Winds....West around 10 mph in the evening becoming light. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....84-91 valleys and 76-83 ridges. 24 hr trend......Little change. * Min Humidity.......13-20 percent. 24 hr trend......4 percent down. * 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 afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......14750-16250 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 53 to 60. Highs 85 to 92. Southwest winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Clear. Lows 55 to 62. Highs 90 to 97. South winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Mostly clear. Lows 59 to 66. Highs 92 to 99. South winds 10 to 20 mph with gusts to around 30 mph. .MONDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 90s. .TUESDAY...Partly cloudy. Lows inthe lower 60s. Highs in the upper 80s. $$ .OUTLOOK FOR WEDNESDAY JULY 15 THROUGH TUESDAY JULY 21... Above normal temperatures and precipitation. $$