991
WWUS85 KBYZ 241909
RFWBYZ
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
109 PM MDT FRI JUL 24 2026
MTZ123>133-WYZ274-284-251915-
/O.UPG.KBYZ.FW.A.0003.260725T1800Z-260726T0600Z/
/O.NEW.KBYZ.FW.W.0005.260725T1800Z-260726T0600Z/
GALLATIN NATIONAL FOREST-WHEATLAND COUNTY/SWEET GRASS COUNTY-
STILLWATER COUNTY-BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-YELLOWSTONE COUNTY-
CROW INDIAN RESERVATION/BIGHORN 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-
BIGHORN NATIONAL FOREST-
109 PM MDT FRI JUL 24 2026
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SATURDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SATURDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* IMPACTS: LOW HUMIDITIES, HOT TEMPERATURES, AND INCREASING
THUNDERSTORM ACTIVITY WILL CREATE ERRATIC FIRE BEHAVIOR AND NEW
FIRE STARTS.
* AFFECTED AREA:
IN NORTH CENTRAL WY FIRE ZONES...274...284.
IN SOUTH CENTRAL MT FIRE ZONES...123...124...125...126...127
128...129.
IN SOUTHEAST MT FIRE ZONES...130...131...132.
IN SOUTHEAST MT AND NORTHWEST SD FIRE ZONE...133.
* COUNTIES AFFECTED:
IN CENTRAL MT...GOLDEN VALLEY...MUSSELSHELL...WHEATLAND.
IN NORTH CENTRAL WY...BIG HORN...JOHNSON...SHERIDAN...WASHAKIE.
IN NORTHWEST SD...HARDING.
IN SOUTH CENTRAL MT...BIG HORN...CARBON...PARK...STILLWATER
SWEET GRASS...YELLOWSTONE.
IN SOUTHEAST MT...CARTER...CUSTER...FALLON...POWDER RIVER
ROSEBUD...TREASURE.
IN SOUTHWEST MT...GALLATIN.
* WIND: SOUTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
* THUNDERSTORMS: WIDELY SCATTERED AFTERNOON AND EVENING
THUNDERSTORMS WILL PRODUCE GUSTY AND ERRATIC WINDS, AND SPOTTY
RAINFALL.
* HUMIDITY: AS LOW AS 11 PERCENT.
* TEMPERATURES: UP TO 108.
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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