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Home Return to list Fire Weather Warning 0020 Issued by the Pocatello Forecast Office
Action: New Issued At: 2026-08-09 22:37:38 713 WWUS85 KPIH 100337 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 937 PM MDT Sun Aug 9 2026 IDZ475-476-102100- /O.NEW.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 937 PM MDT Sun Aug 9 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM MDT MONDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476... The National Weather Service in Pocatello has issued a Red Flag Warning, which is in effect from 2 PM to 9 PM MDT Monday. * AFFECTED AREA...Fire weather zones 475 and 476. * WIND...West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ IDZ410-425-102100- /O.NEW.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 937 PM MDT Sun Aug 9 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM MDT MONDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... The National Weather Service in Pocatello has issued a Red Flag Warning, which is in effect from 2 PM to 9 PM MDT Monday. * AFFECTED AREA...Fire weather zones 410 and 425. * WIND...West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 8 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ Action: New Issued At: 2026-08-09 22:37:38 713 WWUS85 KPIH 100337 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 937 PM MDT Sun Aug 9 2026 IDZ475-476-102100- /O.NEW.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 937 PM MDT Sun Aug 9 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM MDT MONDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476... The National Weather Service in Pocatello has issued a Red Flag Warning, which is in effect from 2 PM to 9 PM MDT Monday. * AFFECTED AREA...Fire weather zones 475 and 476. * WIND...West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ IDZ410-425-102100- /O.NEW.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 937 PM MDT Sun Aug 9 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM MDT MONDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... The National Weather Service in Pocatello has issued a Red Flag Warning, which is in effect from 2 PM to 9 PM MDT Monday. * AFFECTED AREA...Fire weather zones 410 and 425. * WIND...West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 8 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ Action: Continued Issued At: 2026-08-10 03:03:15 249 WWUS85 KPIH 100802 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 202 AM MDT Mon Aug 10 2026 IDZ475-476-110300- /O.CON.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 202 AM MDT Mon Aug 10 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER ZONES 475 AND 476... * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * WIND...West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ IDZ410-425-110300- /O.CON.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 202 AM MDT Mon Aug 10 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER ZONES 410 AND 425... * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River. * WIND...West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 8 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ Action: Continued Issued At: 2026-08-10 03:03:15 249 WWUS85 KPIH 100802 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 202 AM MDT Mon Aug 10 2026 IDZ475-476-110300- /O.CON.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 202 AM MDT Mon Aug 10 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER ZONES 475 AND 476... * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * WIND...West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ IDZ410-425-110300- /O.CON.KPIH.FW.W.0020.260810T2000Z-260811T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 202 AM MDT Mon Aug 10 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER ZONES 410 AND 425... * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River. * WIND...West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 8 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ Action: Expired Issued At: 2026-08-10 21:47:37 589 WWUS85 KPIH 110247 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 847 PM MDT Mon Aug 10 2026 IDZ475-476-110400- /O.EXP.KPIH.FW.W.0020.000000T0000Z-260811T0300Z/ East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 847 PM MDT Mon Aug 10 2026 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476... Winds have backed off below 25 mph and relative humidity has increased. Thus, will allow the Red Flag warning for today to expire at 9 PM MDT this evening. Tuesday expect near critical to critical winds and critical relative humidity in the afternoon/early evening. On Wednesday, expect slightly cooler temperatures, slowly rising relative humidity, and lighter winds ahead of monsoon moisture, which will make its way into the area Thursday and Friday. Thursday, Friday, and, likely, into the weekend, look for wet and cool conditions. $$ IDZ410-425-110400- /O.EXP.KPIH.FW.W.0020.000000T0000Z-260811T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 847 PM MDT Mon Aug 10 2026 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... Winds have backed off below 30 mph and relative humidity has increased. Thus, will allow the Red Flag warning for today to expire at 9 PM MDT this evening. Tuesday expect near critical to critical winds and critical relative humidity in the afternoon/early evening. On Wednesday, expect slightly cooler temperatures, slowly rising relative humidity, and lighter winds ahead of monsoon moisture, which will make its way into the area Thursday and Friday. Thursday, Friday, and, likely, into the weekend, look for wet and cool conditions. $$ Action: Expired Issued At: 2026-08-10 21:47:37 589 WWUS85 KPIH 110247 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 847 PM MDT Mon Aug 10 2026 IDZ475-476-110400- /O.EXP.KPIH.FW.W.0020.000000T0000Z-260811T0300Z/ East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 847 PM MDT Mon Aug 10 2026 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476... Winds have backed off below 25 mph and relative humidity has increased. Thus, will allow the Red Flag warning for today to expire at 9 PM MDT this evening. Tuesday expect near critical to critical winds and critical relative humidity in the afternoon/early evening. On Wednesday, expect slightly cooler temperatures, slowly rising relative humidity, and lighter winds ahead of monsoon moisture, which will make its way into the area Thursday and Friday. Thursday, Friday, and, likely, into the weekend, look for wet and cool conditions. $$ IDZ410-425-110400- /O.EXP.KPIH.FW.W.0020.000000T0000Z-260811T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 847 PM MDT Mon Aug 10 2026 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... Winds have backed off below 30 mph and relative humidity has increased. Thus, will allow the Red Flag warning for today to expire at 9 PM MDT this evening. Tuesday expect near critical to critical winds and critical relative humidity in the afternoon/early evening. On Wednesday, expect slightly cooler temperatures, slowly rising relative humidity, and lighter winds ahead of monsoon moisture, which will make its way into the area Thursday and Friday. Thursday, Friday, and, likely, into the weekend, look for wet and cool conditions. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||