709
WWUS45 KBYZ 271458
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
858 AM MDT MON APR 27 2026
MTZ030-031-271600-
/O.EXP.KBYZ.WW.Y.0017.000000T0000Z-260427T1500Z/
TREASURE-NORTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF BIGHORN, FORSYTH, HYSHAM, INGOMAR, ANGELA,
AND COLSTRIP
858 AM MDT MON APR 27 2026
..WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING
SNOW IS ENDING AND CONDITIONS WILL CONTINUE TO IMPROVE THROUGH THE
MORNING. THEREFORE, THE WINTER WEATHER ADVISORY HAS BEEN ALLOWED TO
EXPIRE.
MTZ036-271800-
/O.CON.KBYZ.WW.Y.0017.000000T0000Z-260427T1800Z/
POWDER RIVER-
INCLUDING THE LOCATIONS OF BROADUS, POWDERVILLE, SONNETTE, AND BIDDLE
858 AM MDT MON APR 27 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
* WHAT...LIGHT SNOW. ADDITIONAL SNOW ACCUMULATIONS OF LESS THAN 1
INCH.
* WHERE...POWDER RIVER.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...PLAN ON SLUSHY AND SLICK ROADS WITH REDUCED VISIBILITY.
THIS INCLUDES TRAVEL ALONG HIGHWAY 212, ESPECIALLY OVER THE HOME
CREEK DIVIDE AREA.
* ADDITIONAL DETAILS...CONDITIONS WILL GRADUALLY IMPROVE THROUGH THE
MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ057-058-138-169-WYZ199-271800-
/O.CON.KBYZ.WW.Y.0017.000000T0000Z-260427T1800Z/
NORTHERN BIG HORN-SOUTHERN ROSEBUD-SOUTHERN BIG HORN-BIGHORN
CANYON-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF PRYOR, BIG HORN, BIRNEY, FORT SMITH, CROW
AGENCY, ASHLAND, RANCHESTER, BUSBY, LODGE GRASS, SHERIDAN, WYOLA,
DAYTON, CLEARMONT, LAME DEER, AND HARDIN
858 AM MDT MON APR 27 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
* WHAT...LIGHT SNOW. ADDITIONAL SNOW ACCUMULATIONS OF LESS THAN 1
INCH.
* WHERE...IN MONTANA, BIGHORN CANYON, NORTHERN BIG HORN, SOUTHERN BIG
HORN, AND SOUTHERN ROSEBUD. IN WYOMING, SHERIDAN FOOTHILLS.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...PLAN ON SLUSHY AND SLICK ROADS WITH REDUCED VISIBILITY.
THIS INCLUDES TRAVEL ALONG INTERSTATE 90 AND HIGHWAY 212.
* ADDITIONAL DETAILS...CONDITIONS WILL GRADUALLY IMPROVE THROUGH THE
MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ171-WYZ198-271800-
/O.CON.KBYZ.WW.Y.0017.000000T0000Z-260427T1800Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
858 AM MDT MON APR 27 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO ONE INCH.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...UNTIL NOON MDT TODAY.
* IMPACTS...WINTER CONDITIONS COULD IMPACT OUTDOOR RECREATION AND
TRAVEL ON HIGHWAY 14 THROUGH THE BIGHORN MOUNTAINS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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