486
WWUS45 KBYZ 010234
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
834 PM MDT TUE MAR 31 2026
MTZ042-228-010345-
/O.CAN.KBYZ.WW.Y.0013.000000T0000Z-260401T0600Z/
GOLDEN VALLEY-SOUTHERN WHEATLAND-
834 PM MDT TUE MAR 31 2026
..WINTER WEATHER ADVISORY IS CANCELLED
THE THREAT OF IMPACTFUL AND ACCUMULATING SNOWFALL HAS ENDED. ROADS
MAY STILL BE SLICK AND HAZARDOUS THROUGH THE WEDNESDAY MORNING
COMMUTE.
MTZ057-058-138-139-169-235-011500-
/O.EXB.KBYZ.WW.Y.0013.260401T0400Z-260401T1500Z/
NORTHERN BIG HORN-SOUTHERN ROSEBUD-SOUTHERN BIG HORN-SOUTHEASTERN
CARBON-BIGHORN CANYON-SOUTHWESTERN YELLOWSTONE-
INCLUDING THE LOCATIONS OF BELFRY, BUSBY, WARREN, FORT SMITH, LAUREL,
WYOLA, HUNTLEY, ASHLAND, LODGE GRASS, LAME DEER, CROW AGENCY, PRYOR,
BILLINGS, HARDIN, BRIDGER, BIRNEY, AND BROADVIEW
834 PM MDT TUE MAR 31 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT WEDNESDAY
* WHAT...MIXED PRECIPITATION EXPECTED, INCLUDING POCKETS OF FREEZING
RAIN. TOTAL SNOW ACCUMULATIONS LESS THAN 1 INCH. TOTAL ICE
ACCUMULATIONS OF A FEW HUNDREDTHS POSSIBLE. THE GREATEST ICE
ACCUMULATIONS ARE FORECAST ALONG HIGHWAY 310 THROUGH BELFRY AS WELL
AS ALONG I-90 SOUTH AND EAST OF BILLINGS.
* WHERE...PORTIONS OF SOUTH CENTRAL AND SOUTHEAST MONTANA.
* WHEN...UNTIL 9 AM MDT WEDNESDAY.
* IMPACTS...TRAVEL WILL BE IMPACTED BY POOR VISIBILITY AND SLICK OR
SLUSHY CONDITIONS ON ROADS. THIS INCLUDES I-90 FROM CROW AGENCY TO
SHERIDAN, AND US-212 OVER LAME DEER DIVIDE.
* ADDITIONAL DETAILS...POTENTIALLY HEAVIER ICE ACCUMULATIONS ARE MOST
LIKELY ALONG I-90 SOUTHEAST OF BILLINGS, ESPECIALLY FROM HARDIN TO
THE WYOMING BORDER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YTSLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ034-170-011500-
/O.EXT.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
NORTHERN STILLWATER-NORTHERN CARBON-
INCLUDING THE LOCATIONS OF PARK CITY, REED POINT, COLUMBUS, JOLIET,
FROMBERG, ABSAROKEE, AND RAPELJE
834 PM MDT TUE MAR 31 2026
..WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT WEDNESDAY
* WHAT...SNOW OCCURRING. MIXED PRECIPITATION EXPECTED, INCLUDING
POCKETS OF FREEZING RAIN. ADDITIONAL SNOW ACCUMULATIONS UP TO 2
INCHES. TOTAL ICE ACCUMULATIONS OF A FEW HUNDREDTHS POSSIBLE.
* WHERE...NORTHERN CARBON AND NORTHERN STILLWATER.
* WHEN...UNTIL 9 AM MDT WEDNESDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS ON BRIDGES AND
OVERPASSES. THE HAZARDOUS CONDITIONS WILL IMPACT THE TUESDAY
EVENING COMMUTE.
* ADDITIONAL DETAILS...THE GREATEST SNOW ACCUMULATIONS WILL FALL
NORTH OF I-90. THE GREATEST ICE ACCUMULATIONS WILL FALL ALONG I-90
AND EASTWARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ056-066-011500-
/O.EXT.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF RED LODGE, FISHTAIL, ROBERTS, NYE, MCLEOD,
AND ROSCOE
834 PM MDT TUE MAR 31 2026
..WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT WEDNESDAY
* WHAT...MIXED PRECIPITATION EXPECTED, INCLUDING POCKETS OF FREEZING
RAIN. ADDITIONAL SNOW ACCUMULATIONS LESS THAN ONE INCH. TOTAL ICE
ACCUMULATIONS OF A LIGHT GLAZE POSSIBLE.
* WHERE...BEARTOOTH FOOTHILLS AND RED LODGE FOOTHILLS.
* WHEN...UNTIL 9 AM MDT WEDNESDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS ON BRIDGES AND
OVERPASSES. THE HAZARDOUS CONDITIONS WILL IMPACT THE WEDNESDAY
MORNING COMMUTE.
* ADDITIONAL DETAILS...ADDITIONAL SNOWFALL MOST LIKELY CLOSER TO THE
FOOTHILLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ065-141-172-011500-
/O.EXT.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
LIVINGSTON AREA-NORTHERN SWEET GRASS-MELVILLE FOOTHILLS-
INCLUDING THE LOCATIONS OF BIG TIMBER, LIVINGSTON, SPRINGDALE, AND
MELVILLE
834 PM MDT TUE MAR 31 2026
..WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT WEDNESDAY
* WHAT...SNOW OCCURRING. MIXED PRECIPITATION EXPECTED, INCLUDING
FREEZING POCKETS OF RAIN EXPECTED. ADDITIONAL SNOW ACCUMULATIONS UP
TO 3 INCHES. TOTAL ICE ACCUMULATIONS OF A LIGHT GLAZE POSSIBLE.
* WHERE...LIVINGSTON AREA, MELVILLE FOOTHILLS, AND NORTHERN SWEET
GRASS.
* WHEN...UNTIL 9 AM MDT WEDNESDAY.
* IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO THE SNOW AND POOR
VISIBILITY. ROADS WILL BECOME ICY OR SLUSHY INTO WEDNESDAY MORNING.
THIS INCLUDES I-90 FROM BIG TIMBER TO LIVINGSTON AND BOZEMAN PASS.
* ADDITIONAL DETAILS...SNOWFALL IS EXPECTED INTO THE LATE EVENING,
BEFORE MIXED PRECIPITATION IS POSSIBLE OVERNIGHT. LIGHT ICE
ACCUMULATIONS ALONG I-90 EASTBOUND COULD IMPACT THE WEDNESDAY
MORNING COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ067-068-020245-
/O.CON.KBYZ.WS.A.0003.260402T1800Z-260404T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
834 PM MDT TUE MAR 31 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY AFTERNOON...
* WHAT...HEAVY SNOW ACCUMULATIONS OF GREATER THAN 12 INCHES ARE
POSSIBLE. WINDS COULD GUST AS HIGH AS 40 MPH.
* WHERE...ABSAROKA/BEARTOOTH MOUNTAINS AND CRAZY MOUNTAINS.
* WHEN...FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON.
* IMPACTS...RECREATION IN THE HIGH COUNTRY MAY BECOME DIFFICULT AND
HAZARDOUS.
* ADDITIONAL DETAILS...THE HEAVIEST SNOW IS EXPECTED THURSDAY NIGHT
INTO FRIDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ171-WYZ198-020245-
/O.CON.KBYZ.WS.A.0003.260403T0000Z-260404T0000Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF STORY AND BURGESS JCT
834 PM MDT TUE MAR 31 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY AFTERNOON...
* WHAT...HEAVY SNOW ACCUMULATIONS OF GREATER THAN 12 INCHES ARE
POSSIBLE. WINDS COULD GUST AS HIGH AS 40 MPH.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON.
* IMPACTS...TRAVEL ON HIGHWAY 14 COULD BE IMPACTED. THE HAZARDOUS
CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING
COMMUTES.
* ADDITIONAL DETAILS...THE HEAVIEST SNOW IS EXPECTED THURSDAY NIGHT
INTO FRIDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
MATOS
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