869
WWUS45 KBYZ 130256
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
856 PM MDT THU MAR 12 2026
MTZ029-034-042-063-141-172-173-228-235-140300-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
MUSSELSHELL-NORTHERN STILLWATER-GOLDEN VALLEY-JUDITH GAP-NORTHERN
SWEET GRASS-MELVILLE FOOTHILLS-NORTHEASTERN YELLOWSTONE-SOUTHERN
WHEATLAND-SOUTHWESTERN YELLOWSTONE-
INCLUDING THE LOCATIONS OF CUSTER, ABSAROKEE, RAPELJE, MELSTONE,
TWODOT, COLUMBUS, BILLINGS, MELVILLE, HARLOWTON, JUDITH GAP, SHAWMUT,
LAUREL, LAVINA, HUNTLEY, BROADVIEW, POMPEYS PILLAR, ROUNDUP, BIG
TIMBER, RYEGATE, MUSSELSHELL, REED POINT, AND PARK CITY
856 PM MDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...PERIODS OF SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 7
AND 14 INCHES, GREATEST OVER THE HIGHER HILLS. LOCALLY HIGHER
TOTALS ARE POSSIBLE. WINDS GUSTING AS HIGH AS 40 MPH EARLY THIS
EVENING, DECREASING OVERNIGHT.
* WHERE...PORTIONS OF CENTRAL AND SOUTH CENTRAL MONTANA.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT AT TIMES. THE HAZARDOUS
CONDITIONS WILL IMPACT THE FRIDAY COMMUTES. CONDITIONS MAY THREATEN
YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...SNOW WILL BEGIN TO DEVELOP OVERNIGHT, BUT
ACCUMULATIONS WILL BE LIMITED AND ROADS GENERALLY WET TO SLUSHY
THROUGH FRIDAY. HEAVIER SNOW IS EXPECTED FRIDAY NIGHT THROUGH
SATURDAY EVENING WITH ROADS CONDITIONS DETERIORATING.
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.
MTZ030-057-138-140300-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
TREASURE-NORTHERN BIG HORN-SOUTHERN BIG HORN-
INCLUDING THE LOCATIONS OF HARDIN, CROW AGENCY, PRYOR, WYOLA,
BIGHORN, LODGE GRASS, BUSBY, AND HYSHAM
856 PM MDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...PERIODS OF HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 7 AND 14 INCHES, GREATEST OVER THE HIGHER HILLS. WINDS
COULD GUST AS HIGH AS 30 MPH.
* WHERE...NORTHERN BIG HORN, SOUTHERN BIG HORN, AND TREASURE.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT AT TIMES. THE HAZARDOUS
CONDITIONS WILL IMPACT THE FRIDAY COMMUTES. CONDITIONS MAY THREATEN
YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...SNOW WILL BECOME MORE WIDESPREAD OVERNIGHT.
PERIODS OF SNOW WILL CONTINUE THROUGH SATURDAY NIGHT.
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.
MTZ067-140300-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
856 PM MDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...PROLONGED PERIODS OF HEAVY SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 1 AND 4 FEET, GREATEST ON SOUTH AND WEST
FACING ASPECTS. LOCALLY HIGHER TOTALS ARE POSSIBLE. WINDS COULD
GUST AS HIGH AS 70 MPH THROUGH THIS EVENING.
* WHERE...ABSAROKA/BEARTOOTH MOUNTAINS.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY WILL BE SEVERELY IMPACTED
BY HEAVY ACCUMULATING AND BLOWING SNOW. WIDESPREAD BLOWING SNOW
COULD SIGNIFICANTLY REDUCE VISIBILITY.
* ADDITIONAL DETAILS...SNOW MAY NOT BEGIN FALLING ON THE NORTH
ASPECTS UNTIL FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT GET CAUGHT UNPREPARED IN THE HIGH COUNTRY. SEVERE WINTER
CONDITIONS ARE EXPECTED. AVALANCHE DANGER WILL ALSO INCREASE.
MTZ068-140300-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
CRAZY MOUNTAINS-
856 PM MDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...PROLONGED PERIODS OF HEAVY SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 1 AND 4 FEET, WITH LOCALLY HIGHER TOTALS
POSSIBLE. WINDS COULD GUST AS HIGH AS 50 MPH THROUGH THIS EVENING.
* WHERE...CRAZY MOUNTAINS.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY WILL BE IMPACTED BY HEAVY
ACCUMULATING SNOW. AVALANCHE DANGER WILL INCREASE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT GET CAUGHT UNPREPARED IN THE HIGH COUNTRY. SEVERE WINTER
CONDITIONS ARE EXPECTED.
MTZ171-WYZ198-140300-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF STORY AND BURGESS JCT
856 PM MDT THU MAR 12 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...PROLONGED PERIODS OF SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 1 AND 2 FEET POSSIBLE.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY COULD BE SEVERELY IMPACTED
BY HEAVY ACCUMULATING SNOW. TRAVEL COULD BE VERY DIFFICULT,
INCLUDING ALONG US-14 THROUGH BURGESS JUNCTION. BLOWING SNOW COULD
SIGNIFICANTLY REDUCE VISIBILITY.
* ADDITIONAL DETAILS...SNOW MAY NOT BEGIN FALLING ON THE NORTH
ASPECTS UNTIL FRIDAY NIGHT.
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.
MTZ036-058-140300-
/O.CON.KBYZ.WS.W.0004.260313T0600Z-260315T1200Z/
POWDER RIVER-SOUTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF BIRNEY, BIDDLE, POWDERVILLE, LAME DEER,
ASHLAND, BROADUS, AND SONNETTE
856 PM MDT THU MAR 12 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6
AM MDT SUNDAY...
* WHAT...PERIODS OF SNOW. HEAVIEST SNOWFALL IS EXPECTED FRIDAY NIGHT.
TOTAL SNOW ACCUMULATIONS BETWEEN 5 AND 10 INCHES. WINDS GUSTING AS
HIGH AS 30 MPH.
* WHERE...POWDER RIVER AND SOUTHERN ROSEBUD.
* WHEN...FROM MIDNIGHT TONIGHT TO 6 AM MDT SUNDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL LIKELY
BECOME SLICK AND HAZARDOUS. TRAVEL COULD BECOME DIFFICULT AT TIMES,
ESPECIALLY OVER THE LAME DEER DIVIDE VICINITY.
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.
MTZ031-140300-
/O.CON.KBYZ.WS.W.0004.260313T0900Z-260315T1200Z/
NORTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF COLSTRIP, ANGELA, INGOMAR, AND FORSYTH
856 PM MDT THU MAR 12 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM FRIDAY TO 6 AM
MDT SUNDAY...
* WHAT...PERIODS OF SNOWFALL EXPECTED. HEAVIEST SNOWFALL IS EXPECTED
FRIDAY NIGHT THROUGH SATURDAY NIGHT. TOTAL SNOW ACCUMULATIONS
BETWEEN 6 TO 10 INCHES.
* WHERE...NORTHERN ROSEBUD.
* WHEN...FROM 3 AM FRIDAY TO 6 AM MDT SUNDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL LIKELY
BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE DIFFICULT.
* ADDITIONAL DETAILS...AREAS OF SNOW ARE EXPECTED TO DEVELOP TONIGHT,
BUT REMAIN RELATIVELY LIGHT THROUGH FRIDAY WITH MAINLY WET OR
SLUSHY ROADS. SNOWFALL INTENSITY MAY PICK UP FRIDAY NIGHT THROUGH
SATURDAY NIGHT WITH HAZARDOUS ROAD CONDITIONS DEVELOPING.
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.
WYZ199-131800-
/O.NEW.KBYZ.WW.Y.0011.260313T0256Z-260313T1800Z/
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF DAYTON, CLEARMONT, RANCHESTER, SHERIDAN,
AND BIG HORN
856 PM MDT THU MAR 12 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 1 AND
4 INCHES WITH HIGHEST ACCUMULATIONS ON THE HIGHER HILLS.
* WHERE...SHERIDAN FOOTHILLS.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS WITH REDUCED VISIBILITY
DOWN TO A MILE AT TIMES. THE HAZARDOUS CONDITIONS WILL IMPACT THE
FRIDAY MORNING COMMUTE.
* ADDITIONAL DETAILS...AFTER SNOWFALL THROUGH THE MORNING, A BREAK IN
PRECIPITATION WILL LIKELY OCCUR FRIDAY AFTERNOON, PICKING UP AGAIN
SATURDAY AFTERNOON AND EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ056-066-140300-
/O.CON.KBYZ.WS.A.0002.260313T2100Z-260315T1200Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF NYE, RED LODGE, ROBERTS, ROSCOE, MCLEOD,
AND FISHTAIL
856 PM MDT THU MAR 12 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE SATURDAY NIGHT...
* WHAT...PERIODS OF SNOW POSSIBLE. HEAVIEST SNOWFALL NOT EXPECTED
UNTIL FRIDAY NIGHT INTO SATURDAY. TOTAL SNOW ACCUMULATIONS BETWEEN
5 AND 9 INCHES POSSIBLE.
* WHERE...BEARTOOTH FOOTHILLS AND RED LODGE FOOTHILLS.
* WHEN...FROM FRIDAY AFTERNOON THROUGH LATE SATURDAY NIGHT.
* IMPACTS...TRAVEL COULD BE DIFFICULT. THE HAZARDOUS CONDITIONS COULD
IMPACT THE FRIDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...WEST WINDS MAY KEEP THE COLDER AIR AND
ACCUMULATING SNOWFALL OFF THE FOOTHILLS UNTIL LATE FRIDAY OR FRIDAY
NIGHT. BEST CHANCE OF ACCUMULATING SNOWFALL IS SATURDAY THROUGH
SATURDAY NIGHT.
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.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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