617
WWUS85 KBYZ 021810
RFWBYZ
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1210 PM MDT WED SEP 2 2026
MTZ123>128-031815-
/O.UPG.KBYZ.FW.A.0006.260903T1800Z-260904T0200Z/
/O.NEW.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-
1210 PM MDT WED SEP 2 2026
..RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT THURSDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR.
* AFFECTED AREA:
IN SOUTH CENTRAL MT FIRE ZONES...123...124...125...126...127
128.
* COUNTIES AFFECTED:
IN CENTRAL MT...GOLDEN VALLEY...MUSSELSHELL...WHEATLAND.
IN SOUTH CENTRAL MT...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 MOUNTAIN 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.
MTZ129-WYZ284-031815-
/O.NEW.KBYZ.FW.W.0010.260903T1800Z-260904T0300Z/
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
BIGHORN NATIONAL FOREST-
1210 PM MDT WED SEP 2 2026
..RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT THURSDAY.
* 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 ZONE...129.
* COUNTIES AFFECTED:
IN NORTH CENTRAL WY...BIG HORN...JOHNSON...SHERIDAN...WASHAKIE.
IN SOUTH CENTRAL MT...BIG HORN...CARBON...YELLOWSTONE.
* WIND: SOUTH 10 TO 15 MPH WITH GUSTS UP TO 35 MPH.
* HUMIDITY: AS LOW AS 12 PERCENT.
* ADDITIONAL DETAILS: THE STRONGEST WINDS, AND AREA OF GREATEST
CONCERN, IN MTZ129 ARE FORECAST IN THE WESTERN PORTION OF THE
ZONE.
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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page