516
WWUS45 KBYZ 121856
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1156 AM MST FRI DEC 12 2025
MTZ040-056-065-066-139-169>171-WYZ198-199-122000-
/O.EXP.KBYZ.WW.Y.0041.000000T0000Z-251212T1900Z/
NORTHERN PARK-RED LODGE FOOTHILLS-LIVINGSTON AREA-BEARTOOTH
FOOTHILLS-SOUTHEASTERN CARBON-BIGHORN CANYON-NORTHERN CARBON-
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF LIVINGSTON, BURGESS JCT, ROSCOE, STORY,
SHERIDAN, NYE, WARREN, FORT SMITH, FROMBERG, MCLEOD, RANCHESTER, RED
LODGE, FISHTAIL, BELFRY, JOLIET, CLYDE PARK, WILSALL, DAYTON, BIG
HORN, CLEARMONT, ROBERTS, BRIDGER, AND SPRINGDALE
1156 AM MST FRI DEC 12 2025
..WINTER WEATHER ADVISORY WILL EXPIRE AT NOON MST TODAY
THE THREAT FOR MODERATE TO HEAVY SNOWFALL HAS ENDED, THEREFORE THE
ADVISORY IS BEING ALLOWED TO EXPIRE. USE CAUTION IF TRAVELING AS ROAD
CONDITIONS ARE LIKELY STILL SLICK.
MTZ029-042-063-173-228-130600-
/O.CON.KBYZ.WS.W.0019.000000T0000Z-251213T0600Z/
MUSSELSHELL-GOLDEN VALLEY-JUDITH GAP-NORTHEASTERN YELLOWSTONE-
SOUTHERN WHEATLAND-
INCLUDING THE LOCATIONS OF RYEGATE, POMPEYS PILLAR, MUSSELSHELL,
ROUNDUP, MELSTONE, SHAWMUT, HARLOWTON, JUDITH GAP, TWODOT, CUSTER,
AND LAVINA
1156 AM MST FRI DEC 12 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...
* WHAT...HEAVY SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS UP TO 3
INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...GOLDEN VALLEY, JUDITH GAP, MUSSELSHELL, SOUTHERN WHEATLAND,
AND NORTHEASTERN YELLOWSTONE.
* WHEN...UNTIL 11 PM MST THIS EVENING.
* IMPACTS...TRAVEL WILL BE VERY DIFFICULT WITH SLICK AND SNOW COVERED
ROADS, AND AREAS OF POOR VISIBILITY. BLOWING AND DRIFTING SNOW WILL
IMPACT TRAVEL ON US-191 THROUGH JUDITH GAP THROUGH THE EARLY
AFTERNOON HOURS.
* ADDITIONAL DETAILS...SNOW SHOWERS WILL GRADUALLY DIMINISH THROUGH
THE AFTERNOON WITH ADDITIONAL SNOW SHOWERS BRINGING LIGHT
ACCUMULATIONS SATURDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. FOR THE LATEST ROAD CONDITIONS, CALL
5 1 1.
MTZ030>032-131500-
/O.CON.KBYZ.WS.W.0019.000000T0000Z-251213T1500Z/
TREASURE-NORTHERN ROSEBUD-CUSTER-
INCLUDING THE LOCATIONS OF MILES CITY, HYSHAM, COLSTRIP, BIGHORN,
ANGELA, ISMAY, FORSYTH, INGOMAR, AND VOLBORG
1156 AM MST FRI DEC 12 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST SATURDAY
* WHAT...MODERATE TO HEAVY SNOW OCCURRING. ADDITIONAL SNOW
ACCUMULATIONS BETWEEN 3 AND 5 INCHES.
* WHERE...TREASURE, CUSTER, AND NORTHERN ROSEBUD.
* WHEN...UNTIL 8 AM MST SATURDAY.
* IMPACTS...TRAVEL CONDITIONS WILL REMAIN DIFFICULT INTO SATURDAY DUE
TO HEAVY ACCUMULATING SNOW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. FOR THE LATEST ROAD CONDITIONS, CALL
5 1 1.
MTZ034-057-058-138-141-172-235-130300-
/O.CON.KBYZ.WS.W.0019.000000T0000Z-251213T0300Z/
NORTHERN STILLWATER-NORTHERN BIG HORN-SOUTHERN ROSEBUD-SOUTHERN
BIG HORN-NORTHERN SWEET GRASS-MELVILLE FOOTHILLS-SOUTHWESTERN
YELLOWSTONE-
INCLUDING THE LOCATIONS OF HUNTLEY, WYOLA, PARK CITY, ASHLAND, PRYOR,
COLUMBUS, BROADVIEW, LAME DEER, BILLINGS, LAUREL, BIRNEY, REED POINT,
ABSAROKEE, BUSBY, LODGE GRASS, CROW AGENCY, BIG TIMBER, MELVILLE,
HARDIN, AND RAPELJE
1156 AM MST FRI DEC 12 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
* WHAT...HEAVY SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS UP TO
ONE INCH.
* WHERE...PORTIONS OF SOUTH CENTRAL AND SOUTHEAST MONTANA.
* WHEN...UNTIL 8 PM MST THIS EVENING.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS WILL IMPACT THE FRIDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...SNOW SHOWERS WILL GRADUALLY LIFT NORTHEAST
THROUGH THE AFTERNOON WITH ADDITIONAL LIGHT ACCUMULATIONS EXPECTED
SATURDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. FOR THE LATEST ROAD CONDITIONS, CALL
5 1 1.
MTZ068-130300-
/O.CON.KBYZ.WS.W.0019.000000T0000Z-251213T0300Z/
CRAZY MOUNTAINS-
1156 AM MST FRI DEC 12 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
* WHAT...HEAVY SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS UP TO 3
INCHES. WINDS GUSTING AS HIGH AS 55 MPH.
* WHERE...CRAZY MOUNTAINS.
* WHEN...UNTIL 8 PM MST THIS EVENING.
* IMPACTS...RECREATION IN THE HIGH COUNTRY WILL BE IMPACTED BY HEAVY
ACCUMULATING SNOW AND BLOWING SNOW.
* ADDITIONAL DETAILS...AVALANCHE DANGER MAY INCREASE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE PREPARED FOR WINTRY CONDITIONS IF YOU HAVE PLANS IN THE
BACKCOUNTRY.
MTZ033-036-037-131500-
/O.CON.KBYZ.WW.Y.0041.000000T0000Z-251213T1500Z/
FALLON-POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF ALZADA, HAMMOND, WEBSTER, BROADUS,
SONNETTE, BIDDLE, BAKER, EKALAKA, BELLTOWER, POWDERVILLE, AND PLEVNA
1156 AM MST FRI DEC 12 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST
SATURDAY...
* WHAT...SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 1 AND
5 INCHES.
* WHERE...CARTER, FALLON, AND POWDER RIVER.
* WHEN...UNTIL 8 AM MST SATURDAY.
* IMPACTS...TRAVEL MAY BECOME TREACHEROUS DURING THIS TIME. TRAVEL
CONDITIONS WILL REMAIN DIFFICULT INTO SATURDAY DUE TO ACCUMULATING
SNOW.
* ADDITIONAL DETAILS...LOWER SNOWFALL TOTALS WILL OCCUR IN POWDER
RIVER AND CARTER COUNTIES WITH HIGHER AMOUNTS IN FALLON COUNTY.
SNOWFALL IN PARTS OF FALLON COUNTY MAY EXCEED 6 INCHES.
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
STETZER
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