Headline:
Red Flag Warning issued May 11 at 1:28AM MDT until May 11 at 9:00PM MDT by NWS Billings MT
Event:
Red Flag Warning
Urgency:
Expected
Effective:
May 11, 2026 - 12:28am
Expires:
May 11, 2026 - 8:00pm
Description:
* IMPACTS: Low humidities, unseasonably warm temperatures, and
strong gusty winds will create erratic fire behavior.
* AFFECTED AREA:
In Southeast MT Fire Zones...130...132.
In Southeast MT and Northwest SD Fire Zone...133.
The most critical areas exist mainly along and north of
Interstate 94 and US Highway 12.
* COUNTIES AFFECTED:
In Northwest SD...Harding.
In Southeast MT...Carter...Custer...Fallon...Rosebud...Treasure.
* COLD FRONT: A cold front will shift winds from the south to the
northwest during the day Monday.
* WIND: Northwest 15 to 25 mph with gusts 30 to 40 mph.
* HUMIDITY: As low as 15 percent.
* TEMPERATURES: Up to 83 degrees.
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:
Northern Rosebud/Northern Treasure Counties; Custer County; Sioux Ranger District Custer National Forest
Forcast Office:
NWS Billings MT
Sender:
w-nws.webmaster@noaa.gov