Red Flag Warning Montana, Wyoming | Effective 03/20/2026 23:35

Headline: 
Red Flag Warning issued March 21 at 12:35AM MDT until March 21 at 9:00PM MDT by NWS Riverton WY
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
March 20, 2026 - 11:35pm
Expires: 
March 21, 2026 - 8:00pm
Description: 
The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 11 AM this morning to 9 PM MDT this evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In North Central WY...Fire Weather Zone 275. * COUNTIES AFFECTED: In North Central WY...Big Horn...Park. * WIND: West 20 to 30 mph with gusts up to 45 mph, becoming northwest at similar speeds late this afternoon and evening. * HUMIDITY: As low as 12 percent. * TEMPERATURES: Highs in the upper 70s to lower 80s.
Instruction: 
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Area Description: 
North Bighorn Basin/Worland BLM
Forcast Office: 
NWS Riverton WY