


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
826 FNUS55 KPIH 150855 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 255 AM MDT Tue Jul 15 2025 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 411, 413, AND 427... ...NEAR CRITICAL TO CRITICAL FIRE WEATHER CONDITIONS TODAY REGIONWIDE FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY... .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... A cold front later today will support near critical to critical fire weather conditions due to a mix of gusty winds, low relative humidity, and isolated to scattered showers and thunderstorms. Stronger storms today will be capable of producing wind gusts in excess of 40-50 mph. A cooler and drier airmass will shift into place on Wednesday, as a warming trend returns starting Thursday into the weekend with any showers/thunderstorms remaining isolated. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 411, AND 413... A cold front later today will support critical fire weather conditions due to a mix of gusty winds, low relative humidity, and isolated to scattered showers and thunderstorms. Stronger storms today will be capable of producing wind gusts in excess of 40-50 mph. A cooler and drier airmass will shift into place on Wednesday, as a warming trend returns starting Thursday into the weekend with any showers/thunderstorms remaining isolated. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONE 427... A cold front later today will support near critical to critical fire weather conditions due to a mix of gusty winds, low relative humidity, and isolated to scattered showers and thunderstorms. Stronger storms today will be capable of producing wind gusts in excess of 40-50 mph. A cooler and drier airmass will shift into place on Wednesday, as a warming trend returns starting Thursday into the weekend with any showers/thunderstorms remaining isolated. IDZ475-152215- East Salmon River Mountains/Salmon NF- 255 AM MDT Tue Jul 15 2025 .Today... * Sky/weather........Mostly sunny then becoming partly cloudy. Areas of smoke through the day. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....73-80 valleys and 66-73 ridges. 24 hr trend......6 degrees down. * Min Humidity.......27-35 percent. 24 hr trend......5 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 9 to 14 mph. Ridges/upr slopes....Northwest 10 to 15 mph with gusts to around 25 mph. * Chc Wetting Rain...0 percent. * Mixing Height......11750-12750 ft AGL. * Transport Winds....West around 10 mph increasing to around 20 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly clear. Areas of smoke in the evening. * Chc of thunder.....0 percent. * Min Temperature....43-50. 24 hr trend......9 degrees down. * Max Humidity.......74-82 percent valleys and 79-87 percent ridges. 24 hr trend......28 percent up. * 20ft winds......... Valleys/lwr slopes...North 7 to 17 mph. Ridges/upr slopes....Northeast 8 to 18 mph. Gusts up to 30 mph. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northeast around 15 mph. .WEDNESDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....76-83 valleys and 68-75 ridges. 24 hr trend......2 degrees up. * Min Humidity.......18-26 percent. 24 hr trend......6 percent down. * 20ft winds......... Valleys/lwr slopes...East 8 to 13 mph shifting to the west 4 to 7 mph in the afternoon. Ridges/upr slopes....East 10 to 15 mph with gusts to around 25 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......10000-11000 ft AGL. * Transport Winds....Southeast around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 48 to 55. Highs 76 to 83. West winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Clear. Lows 51 to 58. Highs 76 to 83. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 51 to 58. Highs 75 to 82. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. .MONDAY...Mostly clear. Lows around 50. Highs in the mid 70s. $$ IDZ476-152215- Lemhi and Lost River Range/Challis NF- 255 AM MDT Tue Jul 15 2025 .Today... * Sky/weather........Sunny then becoming mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....78-85 valleys and 68-75 ridges. 24 hr trend......4 degrees down. * Min Humidity.......21-29 percent. 24 hr trend......4 percent up. * 20ft winds......... Valleys/lwr slopes...West 14 to 19 mph. Ridges/upr slopes....West 14 to 19 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....Southwest around 15 mph increasing to west around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....10 percent. * Min Temperature....43-50. 24 hr trend......8 degrees down. * Max Humidity.......76-84 percent valleys and 80-88 percent ridges. 24 hr trend......33 percent up. * 20ft winds......... Valleys/lwr slopes...North 8 to 18 mph. Ridges/upr slopes....North 8 to 18 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....North 15 to 20 mph. .WEDNESDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....77-84 valleys and 67-74 ridges. 24 hr trend......Little change. * Min Humidity.......16-24 percent valleys and 20-28 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...North 8 to 11 mph shifting to the northwest 4 to 7 mph in the afternoon. Ridges/upr slopes....Northwest 10 to 15 mph shifting to the west 4 to 8 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10500-11500 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 47 to 54. Highs 76 to 83. West winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Mostly clear. Lows 50 to 57. Highs 76 to 83. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 50 to 57. Highs 75 to 82. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. .MONDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. $$ IDZ422-152215- Sawtooth Range/Northern Sawtooth NF- 255 AM MDT Tue Jul 15 2025 .Today... * Sky/weather........Sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....10 percent. * Max Temperature....81-88 valleys and 67-74 ridges. 24 hr trend......3 degrees down. * Min Humidity.......16-24 percent valleys and 21-29 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...West 13 to 18 mph. Ridges/upr slopes....West 13 to 18 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....West around 10 mph increasing to around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....44-51. 24 hr trend......8 degrees down. * Max Humidity.......74-82 percent. 24 hr trend......32 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 12 to 17 mph. Ridges/upr slopes....Northwest 11 to 16 mph with gusts to around 25 mph shifting to the northeast 5 to 8 mph with gusts to around 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest around 15 mph shifting to the northeast after midnight. .WEDNESDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....78-85 valleys and 67-74 ridges. 24 hr trend......3 degrees down. * Min Humidity.......15-23 percent valleys and 20-28 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 9 mph. Ridges/upr slopes....Southwest 4 to 9 mph. Gusts up to 15 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. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 46 to 53. Highs 77 to 84. West winds 10 to 20 mph with gusts to around 25 mph. .FRIDAY...Mostly clear. Lows 52 to 59. Highs 77 to 84. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 50 to 57. Highs 76 to 83. West winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Clear. Lows in the lower 50s. Highs in the mid 70s. .MONDAY...Mostly clear. Lows around 50. Highs in the mid 70s. $$ IDZ425-152215- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 255 AM MDT Tue Jul 15 2025 .Today... * Sky/weather........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....10 percent. * Max Temperature....Around 92. 24 hr trend......3 degrees down. * Min Humidity.......19-27 percent. 24 hr trend......3 percent up. * 20ft winds.........Southwest winds 14 to 19 mph. Gusts up to 15 mph increasing to 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....West around 10 mph increasing to around 20 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy then becoming clear. * Chc of thunder.....0 percent. * Min Temperature....Around 54. 24 hr trend......6 degrees down. * Max Humidity.......76-84 percent. 24 hr trend......31 percent up. * 20ft winds.........West winds 13 to 18 mph with gusts to around 30 mph shifting to the southeast 6 to 11 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West around 20 mph becoming north around 10 mph after midnight. .WEDNESDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 88. 24 hr trend......5 degrees down. * Min Humidity.......15-23 percent. 24 hr trend......4 percent down. * 20ft winds.........East winds 4 to 7 mph shifting to the southwest 4 to 9 mph with gusts to around 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......7500-8500 ft AGL. * Transport Winds....Southeast around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 52 to 58. Highs in the lower 90s. West winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 90s. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows in the upper 50s. Highs in the lower 90s. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Clear. Lows in the upper 50s. Highs in the upper 80s. .MONDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. $$ IDZ427-152215- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 255 AM MDT Tue Jul 15 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... .Today... * Sky/weather........Partly cloudy. Patchy smoke in the afternoon. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....84-91. 24 hr trend......2 degrees down. * Min Humidity.......23-31 percent valleys and 19-27 percent ridges. 24 hr trend......5 percent up. * 20ft winds......... Valleys/lwr slopes...West 9 to 14 mph. Ridges/upr slopes....West 9 to 14 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......14500-16000 ft AGL. * Transport Winds....West 10 to 15 mph. .TONIGHT... * Sky/weather........Partly cloudy then becoming clear. Slight chance of showers and thunderstorms in the evening. Patchy smoke through the night. * Chc of thunder.....20 percent. * Min Temperature....52-59. 24 hr trend......9 degrees down. * Max Humidity.......60-68 percent valleys and 52-60 percent ridges. 24 hr trend......21 percent up. * 20ft winds......... Valleys/lwr slopes...West 9 to 14 mph. Ridges/upr slopes....West 9 to 14 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West 10 to 15 mph. .WEDNESDAY... * Sky/weather........Sunny. Patchy smoke. * Chc of thunder.....0 percent. * Max Temperature....Around 87 valleys and 78-85 ridges. 24 hr trend......4 degrees down. * Min Humidity.......18-26 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 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10000-11000 ft AGL. * Transport Winds....West 10 to 15 mph. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 57 to 64. Highs 84 to 91. West winds 10 to 15 mph with gusts to around 20 mph. .FRIDAY...Partly cloudy. Lows 60 to 67. Highs 84 to 91. Southwest winds 5 to 10 mph with gusts to around 15 mph. .SATURDAY...Mostly clear. Lows 59 to 66. Highs 83 to 90. Southwest winds 5 to 10 mph with gusts to around 20 mph. .SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 80s. .MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid 80s. $$ IDZ410-152215- Upper Snake River Valley/Idaho Falls BLM- 255 AM MDT Tue Jul 15 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... .Today... * Sky/weather........Sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....84-91. 24 hr trend......2 degrees down. * Min Humidity.......19-27 percent. 24 hr trend......3 percent up. * 20ft winds.........Southwest winds 14 to 19 mph. Gusts up to 15 mph increasing to 30 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......14000-15000 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. Chance of showers and thunderstorms in the evening, then slight chance of rain showers after midnight. * Chc of thunder.....30 percent. * Min Temperature....47-54. 24 hr trend......5 degrees down. * Max Humidity.......82-90 percent. 24 hr trend......29 percent up. * 20ft winds.........North winds 8 to 18 mph with gusts to around 25 mph. * Chc Wetting Rain...10 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....North 15 to 20 mph. .WEDNESDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....79-86. 24 hr trend......6 degrees down. * Min Humidity.......18-26 percent. 24 hr trend......Little change. * 20ft winds.........North winds 5 to 10 mph shifting to the west 5 to 8 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......9000-10000 ft AGL. * Transport Winds....North around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 48 to 55. Highs 85 to 92. Southwest winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Mostly clear. Lows 52 to 59. Highs 85 to 92. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Mostly clear. Lows 52 to 58. Highs 84 to 91. Southwest winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. .MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. $$ IDZ411-152215- Centennial Mountains and Snake River Range/Targhee NF- 255 AM MDT Tue Jul 15 2025 .Today... * Sky/weather........Sunny then becoming mostly cloudy. Chance of showers and thunderstorms in the afternoon. * Chc of thunder.....50 percent. * Max Temperature....82-87 valleys and 73-80 ridges. 24 hr trend......3 degrees down. * Min Humidity.......23-31 percent valleys and 27-35 percent ridges. 24 hr trend......5 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 9 to 14 mph. Ridges/upr slopes....Southwest 9 to 14 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. * Chc Wetting Rain...40 percent. * Mixing Height......13000-14000 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming mostly clear. Chance of showers and thunderstorms in the evening, then slight chance of rain showers after midnight. * Chc of thunder.....50 percent. * Min Temperature....44-51. 24 hr trend......6 degrees down. * Max Humidity.......89-97 percent valleys and 81-89 percent ridges. 24 hr trend......27 percent up. * 20ft winds......... Valleys/lwr slopes...Northeast 9 to 14 mph. Ridges/upr slopes....Northeast 9 to 14 mph with gusts to around 25 mph. * Chc Wetting Rain...20 percent. * Mixing Height......200-1200 ft AGL. * Transport Winds....Northeast around 15 mph. .WEDNESDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 79 valleys and 69-76 ridges. 24 hr trend......5 degrees down. * Min Humidity.......23-29 percent valleys and 25-33 percent ridges. 24 hr trend......2 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....North 7 to 10 mph shifting to the west 4 to 7 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......8250-9250 ft AGL. * Transport Winds....Northwest around 10 mph. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 46 to 53. Highs 74 to 81. South winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Mostly clear. Lows 49 to 56. Highs 75 to 82. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Mostly clear. Lows 49 to 56. Highs 74 to 81. South winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. .MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. $$ IDZ413-152215- Caribou Range/Caribou NF- 255 AM MDT Tue Jul 15 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... .Today... * 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 valleys and 78-85 ridges. 24 hr trend......Little change. * Min Humidity.......17-25 percent. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 9 to 14 mph. Ridges/upr slopes....Southwest 9 to 14 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......14500-16000 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 20 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly cloudy then becoming mostly clear. Chance of showers and thunderstorms in the evening. * Chc of thunder.....30 percent. * Min Temperature....50-57. 24 hr trend......5 degrees down. * Max Humidity.......69-77 percent. 24 hr trend......31 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 9 to 14 mph shifting to the northwest 4 to 6 mph after midnight. Ridges/upr slopes....Southwest 9 to 14 mph with gusts to around 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .WEDNESDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....81-88 valleys and 73-80 ridges. 24 hr trend......5 degrees down. * Min Humidity.......16-24 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...West 5 to 10 mph. Ridges/upr slopes....West 6 to 11 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....Northwest around 10 mph increasing to west around 20 mph in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Clear. Lows 52 to 59. Highs 83 to 90. Southwest winds 10 to 15 mph with gusts to around 25 mph. .FRIDAY...Partly cloudy. Lows 55 to 62. Highs 83 to 90. Southwest winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Partly cloudy. Lows 54 to 61. Highs 81 to 88. South winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. .MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. $$ .OUTLOOK...Tuesday July 22nd through Monday July 28th. Above normal temperatures and below normal precipitation. $$