Headline:
Red Flag Warning issued July 12 at 8:53PM MDT until July 13 at 3:00AM MDT by NWS Billings MT
Event:
Red Flag Warning
Urgency:
Expected
Effective:
July 12, 2026 - 7:53pm
Expires:
July 13, 2026 - 2:00am
Description:
* IMPACTS: Low humidities, hot temperatures, and strong gusty winds
will create erratic fire behavior.
* AFFECTED AREA:
In North Central WY Fire Zone...274.
In South Central MT Fire Zone...129.
In Southeast MT Fire Zones...130...131...132.
In Southeast MT and Northwest SD Fire Zone...133.
* COUNTIES AFFECTED:
In North Central WY...Sheridan.
In Northwest SD...Harding.
In South Central MT...Big Horn...Carbon...Yellowstone.
In Southeast MT...Carter...Custer...Fallon...Powder River
Rosebud...Treasure.
* WIND: South 10 to 20 mph with gusts up to 35 mph.
* HUMIDITY: Minimums of 5 to 10 percent. Humidity will be slow to
recover overnight.
* TEMPERATURES: 90 to 100 degrees, falling into the upper 60s to
70s overnight. Some locations may remain in the 80s overnight.
* COLD FRONT: Arrives over south central Montana this evening,
bringing a shift to breezy northwest winds. The front will
reach far southeast Montana early Monday morning. Before the
frontal passage, a southeasterly low level jet will produce
gusty ridgetop winds (up to 40 mph) and a slow humidity
recovery over southeast Montana tonight.
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:
Crow Indian Reservation/Big Horn Canyon Rec Area; Northern Rosebud/Northern Treasure Counties; Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM
Forcast Office:
NWS Billings MT
Sender: