# HEADLINE
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RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
# SUMMARY
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- 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.
# DETAILS
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ISSUED AT
Friday, October 23, 2026 at 1:30 PM MDT
ISSUED BY
National Weather Service Billings MT
HEADER
URGENT - FIRE WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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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.
# AREAS AFFECTED
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Sheridan County, Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest, Sioux Ranger District Custer National Forest
