Headline:
Red Flag Warning issued August 5 at 11:08AM MDT until August 6 at 8:00PM MDT by NWS Billings MT
Event:
Red Flag Warning
Urgency:
Expected
Effective:
August 5, 2026 - 10:08am
Expires:
August 6, 2026 - 10:15am
Description:
The National Weather Service in Billings has issued a Red Flag
Warning...which is in effect from 11 AM to 8 PM MDT Thursday.
* IMPACTS: Low humidities, hot temperatures, and wind shift with
a cold front will create erratic fire behavior and new fire
starts.
* 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 weak cold front will pass through Thursday evening
shifting winds to the NNW with gusts up to 30 mph.
* WIND: Northwest 10 to 20 mph with gusts up to 30 mph.
* HUMIDITY: As low as 10 percent.
* TEMPERATURES: Up to 95.
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:
Custer County; Sioux Ranger District Custer National Forest
Forcast Office:
NWS Billings MT
Sender:
w-nws.webmaster@noaa.gov