249
WWUS85 KBYZ 221814
RFWBYZ
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1214 PM MDT THU OCT 22 2026
MTZ131-133-WYZ274-231815-
/O.NEW.KBYZ.FW.W.0015.261023T1800Z-261024T0300Z/
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
SHERIDAN COUNTY-
1214 PM MDT THU OCT 22 2026
..RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT FRIDAY
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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
HTTP://WEATHER.GOV/BILLINGS
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