589
WWUS85 KBYZ 030853
RFWBYZ
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
253 AM MDT THU SEP 3 2026
MTZ130-040300-
/O.EXA.KBYZ.FW.W.0010.260903T1800Z-260904T0300Z/
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
253 AM MDT THU SEP 3 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING...
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING.
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR.
* AFFECTED AREA:
IN SOUTHEAST MT FIRE ZONE...130.
* COUNTIES AFFECTED:
IN SOUTHEAST MT...ROSEBUD...TREASURE.
* WIND: SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
* HUMIDITY: AS LOW AS 14 PERCENT.
* ADDITIONAL DETAILS: FOR MTZ123 AND MTZ126, THE WORST CONDITIONS
ARE EXPECTED ACROSS THE LOWER ELEVATIONS.
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.
MTZ123>129-WYZ284-040300-
/O.CON.KBYZ.FW.W.0010.260903T1800Z-260904T0300Z/
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-
BIGHORN NATIONAL FOREST-
253 AM MDT THU SEP 3 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR.
* AFFECTED AREA:
IN NORTH CENTRAL WY FIRE ZONE...284.
IN SOUTH CENTRAL MT FIRE ZONES...123...124...125...126...127
128...129.
* COUNTIES AFFECTED:
IN CENTRAL MT...GOLDEN VALLEY...MUSSELSHELL...WHEATLAND.
IN NORTH CENTRAL WY...BIG HORN...JOHNSON...SHERIDAN...WASHAKIE.
IN SOUTH CENTRAL MT...BIG HORN...CARBON...PARK...STILLWATER
SWEET GRASS...YELLOWSTONE.
IN SOUTHWEST MT...GALLATIN.
* WIND: SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 40 MPH. THE
STRONGEST WINDS ARE FORECAST IN THE MOUNTAINS AND FOOTHILLS.
* HUMIDITY: AS LOW AS 15 PERCENT.
* ADDITIONAL DETAILS: FOR MTZ123 AND MTZ126, THE WORST CONDITIONS
ARE EXPECTED ACROSS THE LOWER ELEVATIONS.
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.
MTZ131>133-WYZ274-040900-
/O.NEW.KBYZ.FW.A.0007.260904T1800Z-260905T0300Z/
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-CUSTER COUNTY-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-SHERIDAN COUNTY-
253 AM MDT THU SEP 3 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING.
* IMPACTS: LOW HUMIDITIES, HOT TEMPERATURES, AND STRONG GUSTY WINDS
WILL CREATE ERRATIC FIRE BEHAVIOR.
* AFFECTED AREA:
IN NORTH CENTRAL WY FIRE ZONE...274.
IN SOUTHEAST MT FIRE ZONES...131...132.
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...CUSTER...FALLON...POWDER RIVER
ROSEBUD...TREASURE.
* WIND: SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.
* HUMIDITY: AS LOW AS 10 PERCENT.
* TEMPERATURES: UP TO 98.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS.
HTTP://WEATHER.GOV/BILLINGS
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