551
WWUS45 KBYZ 010900
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
300 AM MDT WED APR 1 2026
MTZ058-020900-
/O.EXB.KBYZ.WS.A.0003.260403T0600Z-260404T1200Z/
/O.CON.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
SOUTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF ASHLAND, BIRNEY, AND LAME DEER
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE
FRIDAY NIGHT...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
* WHAT...FOR THE WINTER WEATHER ADVISORY, MIXED PRECIPITATION
EXPECTED, INCLUDING POCKETS OF LIGHT FREEZING RAIN. SNOW
ACCUMULATIONS AN INCH OR LESS. ICE ACCUMULATIONS OF A LIGHT GLAZE.
FOR THE WINTER STORM WATCH, PERIODS OF HEAVY SNOW. TOTAL SNOW
ACCUMULATIONS BETWEEN 4 AND 8 INCHES POSSIBLE. WINDS COULD GUST AS
HIGH AS 30 MPH.
* WHERE...SOUTHERN ROSEBUD.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 9 AM MDT THIS
MORNING. FOR THE WINTER STORM WATCH, FROM LATE THURSDAY NIGHT
THROUGH LATE FRIDAY NIGHT.
* IMPACTS...FOR THE ADVISORY, TRAVEL EARLY THIS MORNING WILL BE
IMPACTED BY POOR VISIBILITY AND SLICK OR SLUSHY CONDITIONS ON
ROADS. THIS INCLUDES US-212 OVER LAME DEER DIVIDE. FOR THE WINTER
STORM WATCH, DIFFICULT TRAVEL CONDITIONS DUE TO SNOW, POOR
VISIBILITY AND SOME BLOWING SNOW. COOL, WET AND WINDY CONDITIONS
WILL BE HAZARDOUS FOR YOUNG LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ138-169-020900-
/O.EXB.KBYZ.WS.A.0003.260403T0300Z-260404T0600Z/
/O.CON.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
SOUTHERN BIG HORN-BIGHORN CANYON-
INCLUDING THE LOCATIONS OF FORT SMITH, LODGE GRASS, PRYOR, AND WYOLA
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
* WHAT...FOR THE WINTER WEATHER ADVISORY, MIXED PRECIPITATION
EXPECTED, INCLUDING POCKETS OF LIGHT FREEZING RAIN. SNOW
ACCUMULATIONS AN INCH OR LESS. ICE ACCUMULATIONS OF A LIGHT GLAZE.
FOR THE WINTER STORM WATCH, PERIODS OF HEAVY SNOW. TOTAL SNOW
ACCUMULATIONS BETWEEN 6 AND 12 INCHES POSSIBLE. WINDS COULD GUST AS
HIGH AS 45 MPH.
* WHERE...BIGHORN CANYON AND SOUTHERN BIG HORN.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 9 AM MDT THIS
MORNING. FOR THE WINTER STORM WATCH, FROM THURSDAY EVENING THROUGH
FRIDAY EVENING.
* IMPACTS...FOR THE ADVISORY, TRAVEL WILL BE IMPACTED BY POOR
VISIBILITY AND SLICK OR SLUSHY CONDITIONS ON ROADS. THIS INCLUDES
I-90 FROM CROW AGENCY TO ABERDEEN HILL. FOR THE WINTER STORM WATCH,
DIFFICULT TRAVEL CONDITIONS DUE TO SNOW, POOR VISIBILITY AND SOME
BLOWING SNOW. COOL, WET AND WINDY CONDITIONS WILL BE HAZARDOUS FOR
YOUNG LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ057-235-020900-
/O.EXA.KBYZ.WS.A.0003.260403T0000Z-260404T0000Z/
/O.CON.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
NORTHERN BIG HORN-SOUTHWESTERN YELLOWSTONE-
INCLUDING THE LOCATIONS OF BUSBY, HARDIN, CROW AGENCY, HUNTLEY,
LAUREL, BROADVIEW, AND BILLINGS
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
* WHAT...FOR THE WINTER WEATHER ADVISORY, MIXED PRECIPITATION
EXPECTED, INCLUDING POCKETS OF LIGHT FREEZING RAIN. SNOW
ACCUMULATIONS LESS THAN AN INCH. ICE ACCUMULATIONS AROUND A LIGHT
GLAZE. FOR THE WINTER STORM WATCH, PERIODS OF HEAVY SNOW. TOTAL
SNOW ACCUMULATIONS BETWEEN 3 AND 8 INCHES POSSIBLE, GREATEST OVER
THE HIGHER HILLS. WINDS COULD GUST AS HIGH AS 35 MPH.
* WHERE...NORTHERN BIG HORN AND SOUTHWESTERN YELLOWSTONE.
* WHEN...FOR THE WINTER WEATHER ADVISORY, UNTIL 9 AM MDT THIS
MORNING. FOR THE WINTER STORM WATCH, FROM THURSDAY EVENING THROUGH
FRIDAY AFTERNOON.
* IMPACTS...FOR THE ADVISORY, TRAVEL WILL BE IMPACTED BY AREAS OF
POOR VISIBILITY AND SLICK OR SLUSHY CONDITIONS ON SOME ROADS. THIS
INCLUDES I-90 FROM BILLINGS TO HARDIN. FOR THE WINTER STORM WATCH,
DIFFICULT TRAVEL CONDITIONS DUE TO SNOW, POOR VISIBILITY AND SOME
BLOWING SNOW. COOL, WET AND WINDY CONDITIONS WILL BE HAZARDOUS FOR
YOUNG LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ034-170-011500-
/O.CON.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
NORTHERN STILLWATER-NORTHERN CARBON-
INCLUDING THE LOCATIONS OF FROMBERG, ABSAROKEE, PARK CITY, REED
POINT, COLUMBUS, RAPELJE, AND JOLIET
300 AM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
* WHAT...MIXED PRECIPITATION EXPECTED, INCLUDING POCKETS OF LIGHT
FREEZING RAIN. SNOW ACCUMULATIONS OF AN INCH OR LESS. ICE
ACCUMULATIONS OF A LIGHT GLAZE.
* WHERE...NORTHERN CARBON AND NORTHERN STILLWATER.
* WHEN...UNTIL 9 AM MDT THIS MORNING.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS ON SOME BRIDGES AND
OVERPASSES, AND AREAS OF POOR VISIBILITY. HAZARDOUS CONDITIONS
COULD IMPACT THE MORNING COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ056-066-011500-
/O.CON.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF RED LODGE, ROSCOE, NYE, MCLEOD, FISHTAIL,
AND ROBERTS
300 AM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
* WHAT...MIXED PRECIPITATION EXPECTED, INCLUDING POCKETS OF LIGHT
FREEZING RAIN. ADDITIONAL SNOW ACCUMULATIONS LESS THAN ONE INCH.
TOTAL ICE ACCUMULATIONS OF A LIGHT GLAZE.
* WHERE...BEARTOOTH FOOTHILLS AND RED LODGE FOOTHILLS.
* WHEN...UNTIL 9 AM MDT THIS MORNING.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS ON SOME BRIDGES AND
OVERPASSES, AND AREAS OF POOR VISIBILITY. THE HAZARDOUS CONDITIONS
MAY IMPACT THE MORNING COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ065-141-172-011500-
/O.CON.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
LIVINGSTON AREA-NORTHERN SWEET GRASS-MELVILLE FOOTHILLS-
INCLUDING THE LOCATIONS OF SPRINGDALE, LIVINGSTON, MELVILLE, AND BIG
TIMBER
300 AM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
* WHAT...MIXED PRECIPITATION EXPECTED, INCLUDING POCKETS OF LIGHT
FREEZING RAIN. ADDITIONAL SNOW ACCUMULATIONS UP TO AN INCH. TOTAL
ICE ACCUMULATIONS OF A LIGHT GLAZE.
* WHERE...LIVINGSTON AREA, MELVILLE FOOTHILLS, AND NORTHERN SWEET
GRASS.
* WHEN...UNTIL 9 AM MDT THIS MORNING.
* IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO THE SNOW AND POOR
VISIBILITY. SOME ROADS COULD BE ICY OR SLUSHY EARLY THIS MORNING.
THIS INCLUDES I-90 FROM BIG TIMBER TO LIVINGSTON AND BOZEMAN PASS,
AND US-191 THROUGH MELVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ139-011500-
/O.CON.KBYZ.WW.Y.0013.000000T0000Z-260401T1500Z/
SOUTHEASTERN CARBON-
INCLUDING THE LOCATIONS OF WARREN, BELFRY, AND BRIDGER
300 AM MDT WED APR 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
* WHAT...MIXED PRECIPITATION EXPECTED, INCLUDING POCKETS OF LIGHT
FREEZING RAIN. TOTAL SNOW ACCUMULATIONS LESS THAN AN INCH. ICE
ACCUMULATIONS OF A LIGHT GLAZE.
* WHERE...SOUTHEASTERN CARBON.
* WHEN...UNTIL 9 AM MDT THIS MORNING.
* IMPACTS...TRAVEL WILL BE IMPACTED BY AREAS OF POOR VISIBILITY AND
SLICK OR SLUSHY CONDITIONS ON SOME ROADS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
WYZ199-020900-
/O.EXB.KBYZ.WS.A.0003.260403T0300Z-260404T0600Z/
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF RANCHESTER, CLEARMONT, SHERIDAN, BIG HORN,
AND DAYTON
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...
* WHAT...PERIODS OF HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 6
AND 12 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 45 MPH.
* WHERE...SHERIDAN FOOTHILLS.
* WHEN...FROM THURSDAY EVENING THROUGH FRIDAY EVENING.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT ON I-90 FROM ABERDEEN HILL
TO SHERIDAN AND PINEY CREEK, DUE TO SNOW, AREAS OF BLOWING SNOW AND
POOR VISIBILITY. COOL, WET AND WINDY CONDITIONS WILL BE HAZARDOUS
FOR YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...RAIN SHOWERS THURSDAY AFTERNOON AND EVENING
WILL CHANGE TO SNOW THURSDAY NIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ032-033-036-037-020900-
/O.EXB.KBYZ.WS.A.0003.260403T0600Z-260404T1200Z/
CUSTER-FALLON-POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF PLEVNA, ALZADA, VOLBORG, BAKER, BROADUS,
ISMAY, SONNETTE, HAMMOND, BELLTOWER, WEBSTER, MILES CITY, BIDDLE,
EKALAKA, AND POWDERVILLE
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE
FRIDAY NIGHT...
* WHAT...PERIODS OF HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 5
AND 8 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 30 MPH.
* WHERE...CARTER, CUSTER, FALLON, AND POWDER RIVER.
* WHEN...FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT DUE TO SNOW, AREAS OF
BLOWING SNOW AND POOR VISIBILITY. THIS INCLUDES HIGHWAY 12 FROM
MILES CITY TO BAKER, AND US-212 FROM BROADUS TO ALZADA. COOL, WET
AND WINDY CONDITIONS WILL BE HAZARDOUS FOR YOUNG LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ030-031-173-020900-
/O.EXA.KBYZ.WS.A.0003.260403T0000Z-260404T0000Z/
TREASURE-NORTHERN ROSEBUD-NORTHEASTERN YELLOWSTONE-
INCLUDING THE LOCATIONS OF HYSHAM, INGOMAR, CUSTER, BIGHORN, ANGELA,
POMPEYS PILLAR, FORSYTH, AND COLSTRIP
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...
* WHAT...PERIODS OF HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 3
AND 7 INCHES POSSIBLE, GREATEST OVER THE HILLS SOUTH OF THE
YELLOWSTONE RIVER.
* WHERE...NORTHEASTERN YELLOWSTONE, TREASURE, AND NORTHERN ROSEBUD.
* WHEN...FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT DUE TO SNOW, AREAS OF
BLOWING SNOW AND POOR VISIBILITY. THIS INCLUDES I-94 FROM CUSTER TO
HYSHAM AND FORSYTH. COOL, WET AND BREEZY CONDITIONS WILL BE
HAZARDOUS FOR YOUNG LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ067-068-020900-
/O.CON.KBYZ.WS.A.0003.260402T1800Z-260404T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY AFTERNOON...
* WHAT...HEAVY SNOW ACCUMULATIONS OF 12 TO 18 INCHES 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 WILL BE DIFFICULT AND
HAZARDOUS.
* ADDITIONAL DETAILS...THE HEAVIEST SNOW IS EXPECTED THURSDAY NIGHT
AND FRIDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ171-WYZ198-020900-
/O.CON.KBYZ.WS.A.0003.260403T0000Z-260404T0000Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF STORY AND BURGESS JCT
300 AM MDT WED APR 1 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY AFTERNOON...
* WHAT...HEAVY SNOW ACCUMULATIONS OF 12 TO 20 INCHES 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 THROUGH BURGESS JUNCTION COULD
BECOME NEARLY IMPOSSIBLE, DUE TO SNOW, BLOWING AND DRIFTING SNOW,
AND POOR VISIBILITY. RECREATION IN THE HIGH COUNTRY WILL BE
DIFFICULT AND HAZARDOUS.
* ADDITIONAL DETAILS...THE HEAVIEST SNOW IS EXPECTED THURSDAY NIGHT
THROUGH MIDDAY FRIDAY.
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
LESTER
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