Montana, South Dakota Severe Red Flag Warning | Effective 08/06/2026 11:32

Headline: 
Red Flag Warning issued August 6 at 12:32PM MDT until August 6 at 8:00PM MDT by NWS Billings MT
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
August 6, 2026 - 11:32am
Expires: 
August 6, 2026 - 7:00pm
Description: 
* IMPACTS: Low humidities, hot temperatures, gusty winds, and a wind shift with a cold front will create erratic fire behavior. * AFFECTED AREA: In Southeast MT Fire Zone...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Northwest SD...Harding. In Southeast MT...Carter...Custer...Fallon. * COLD FRONT: A cold front arriving early this afternoon will shift winds to the northwest and increase wind speeds this afternoon and early evening. * WIND: Northwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Up to 95 degrees.
Instruction: 
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of gusty winds, low relative humidity, and hot temperatures can contribute to extreme fire behavior.
Area Description: 
Custer County; Sioux Ranger District Custer National Forest
Forcast Office: 
NWS Billings MT
Sender: 
w-nws.webmaster@noaa.gov