Idaho Severe Red Flag Warning | Effective 08/09/2026 20:37

Headline: 
Red Flag Warning issued August 9 at 9:37PM MDT until August 10 at 9:00PM MDT by NWS Pocatello ID
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
August 9, 2026 - 8:37pm
Expires: 
August 10, 2026 - 2:00pm
Description: 
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.
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: 
Upper Snake River Valley/Idaho Falls BLM; Middle Snake River Valley/Twin Falls BLM north of the Snake River
Forcast Office: 
NWS Pocatello ID
Sender: 
w-nws.webmaster@noaa.gov