Idaho Severe Red Flag Warning | Effective 10/08/2026 23:40

Headline: 
Red Flag Warning issued October 9 at 12:40AM MDT until October 9 at 8:00PM MDT by NWS Pocatello ID
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
October 8, 2026 - 11:40pm
Expires: 
October 9, 2026 - 2:00pm
Description: 
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 427... * AFFECTED AREA...Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent.
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: 
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River
Forcast Office: 
NWS Pocatello ID
Sender: 
w-nws.webmaster@noaa.gov