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WWUS85 KBYZ 051708
RFWBYZ
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1108 AM MDT WED AUG 5 2026
MTZ132-133-061715-
/O.NEW.KBYZ.FW.W.0008.260806T1700Z-260807T0200Z/
CUSTER COUNTY-SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
1108 AM MDT WED AUG 5 2026
..RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY.
* IMPACTS: LOW HUMIDITIES, HOT TEMPERATURES, AND WIND SHIFT WITH
A COLD FRONT WILL CREATE ERRATIC FIRE BEHAVIOR AND NEW FIRE
STARTS.
* AFFECTED AREA:
IN SOUTHEAST MT FIRE ZONE...132.
IN SOUTHEAST MT AND NORTHWEST SD FIRE ZONE...133.
* COUNTIES AFFECTED:
IN NORTHWEST SD...HARDING.
IN SOUTHEAST MT...CARTER...CUSTER...FALLON.
* COLD FRONT: A WEAK COLD FRONT WILL PASS THROUGH THURSDAY EVENING
SHIFTING WINDS TO THE NNW WITH GUSTS UP TO 30 MPH.
* WIND: NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
* HUMIDITY: AS LOW AS 10 PERCENT.
* TEMPERATURES: UP TO 95.
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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