Fallon County, Montana, Friday, October 23, 2026

“Red Flag Warning issued October 23 at 1:30PM MDT until October 24 at 12:00AM MDT by NWS Billings MT”

* IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and wind shift with a cold front will create erratic fire behavior and difficult control of new or existing fires. * AFFECTED AREA: In North Central WY Fire Zone...274. In Southeast MT Fire Zone...131. 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. In Southeast MT...Carter...Fallon...Powder River...Rosebud Treasure. The most dangerous conditions are expected along and southeast of a Baker Montana to Sheridan Wyoming line. * COLD FRONT: Late afternoon into early evening. * WIND: Southwest 20 to 30 mph gusting up to 45 mph. Winds shifting to the northwest behind a late day cold front, with continued gusts to 45 mph through much of tonight. * HUMIDITY: Minimums of 14 to 20 percent. * TEMPERATURES: Highs of 75 to 85 degrees.

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.

“Red Flag Warning issued October 23 at 2:43AM MDT until October 24 at 12:00AM MDT by NWS Billings MT”

* IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and a wind shift with a cold front will create erratic fire behavior and difficult control of new or existing fires. * AFFECTED AREA: In North Central WY Fire Zone...274. In Southeast MT Fire Zone...131. 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. In Southeast MT...Carter...Fallon...Powder River...Rosebud Treasure. The most dangerous conditions are expected along and southeast of a Baker Montana to Sheridan Wyoming line. * COLD FRONT: Late afternoon into early evening. * WIND: Southwest 20 to 30 mph gusting up to 45 mph. Winds shifting to the northwest behind a late day cold front, with continued gusts to 45 mph through much of tonight. * HUMIDITY: Minimums of 14 to 20 percent. * TEMPERATURES: Highs of 75 to 85 degrees.

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.

“Red Flag Warning issued October 22 at 12:14PM MDT until October 23 at 9:00PM MDT by NWS Billings MT”

The National Weather Service in Billings has issued a Red Flag Warning...which is in effect from noon to 9 PM MDT Friday. * IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and a wind shift with a cold front will create erratic fire behavior and difficult control of new or existing fires. * AFFECTED AREA: In North Central WY Fire Zone...274. In Southeast MT Fire Zone...131. 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. In Southeast MT...Carter...Fallon...Powder River...Rosebud Treasure. The most dangerous conditions are expected along and southeast of a Baker Montana to Sheridan Wyoming line. * COLD FRONT: Late afternoon into early evening. * WIND: Southwest 20 to 30 mph with gusts up to 45 mph. Winds shifting to the northwest behind the cold front, with continued gusts up to 45 mph through late Friday night. * HUMIDITY: 15 to 25 percent. * TEMPERATURES: 75 to 85 degrees.

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.