Idaho Severe Red Flag Warning | Effective 08/08/2026 10:40

Headline: 
Red Flag Warning issued August 8 at 11:40AM MDT until August 8 at 9:00PM MDT by NWS Pocatello ID
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
August 8, 2026 - 10:40am
Expires: 
August 8, 2026 - 8:00pm
Description: 
...GUSTY WINDS AND VERY LOW HUMIDITY THIS WEEKEND... * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...
Instruction: 
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.
Area Description: 
East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF
Forcast Office: 
NWS Pocatello ID
Sender: 
w-nws.webmaster@noaa.gov