944
WWUS45 KBYZ 120842
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
242 AM MDT THU MAR 12 2026
MTZ068-130845-
/O.UPG.KBYZ.WS.A.0002.260312T1800Z-260315T1200Z/
/O.EXB.KBYZ.WS.W.0004.260312T1800Z-260315T1200Z/
CRAZY MOUNTAINS-
242 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM MDT
SUNDAY...
* WHAT...PROLONGED PERIODS OF HEAVY SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 1 AND 3 FEET, WITH LOCALLY HIGHER TOTALS
POSSIBLE. WINDS COULD GUST AS HIGH AS 90 MPH TODAY.
* WHERE...CRAZY MOUNTAINS.
* WHEN...FROM NOON TODAY TO 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.
MTZ029-034-042-063-141-172-173-228-235-130845-
/O.UPG.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
/O.EXB.KBYZ.WS.W.0004.260313T0000Z-260315T1200Z/
MUSSELSHELL-NORTHERN STILLWATER-GOLDEN VALLEY-JUDITH GAP-NORTHERN
SWEET GRASS-MELVILLE FOOTHILLS-NORTHEASTERN YELLOWSTONE-SOUTHERN
WHEATLAND-SOUTHWESTERN YELLOWSTONE-
INCLUDING THE LOCATIONS OF MUSSELSHELL, MELVILLE, POMPEYS PILLAR,
RAPELJE, ABSAROKEE, ROUNDUP, COLUMBUS, BIG TIMBER, RYEGATE, HUNTLEY,
LAUREL, CUSTER, PARK CITY, LAVINA, JUDITH GAP, TWODOT, REED POINT,
HARLOWTON, BILLINGS, MELSTONE, SHAWMUT, AND BROADVIEW
242 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT
SUNDAY...
* WHAT...PERIODS OF HEAVY 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 50 MPH EARLY
THIS EVENING, DECREASING OVERNIGHT.
* WHERE...PORTIONS OF CENTRAL AND SOUTH CENTRAL MONTANA.
* WHEN...FROM 6 PM THIS EVENING TO 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE AT TIMES.
THE HAZARDOUS CONDITIONS WILL IMPACT THE THURSDAY EVENING AND
FRIDAY COMMUTES. CONDITIONS MAY THREATEN YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...SNOW WILL BEGIN TO DEVELOP OVER THE AREA THIS
EVENING, INCREASING OVERNIGHT INTO FRIDAY. 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.
MTZ030-057-138-130845-
/O.UPG.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
/O.EXB.KBYZ.WS.W.0004.260313T0000Z-260315T1200Z/
TREASURE-NORTHERN BIG HORN-SOUTHERN BIG HORN-
INCLUDING THE LOCATIONS OF PRYOR, LODGE GRASS, WYOLA, HARDIN, BUSBY,
CROW AGENCY, HYSHAM, AND BIGHORN
242 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 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...FROM 6 PM THIS EVENING TO 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT AT TIMES. THE HAZARDOUS
CONDITIONS WILL IMPACT THE THURSDAY EVENING AND FRIDAY COMMUTES.
CONDITIONS MAY THREATEN YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...SNOW WILL BEGIN TO DEVELOP OVER THE AREA THIS
EVENING, INCREASING OVERNIGHT INTO FRIDAY. 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.
MTZ171-WYZ198-130845-
/O.UPG.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
/O.EXB.KBYZ.WS.W.0004.260313T0000Z-260315T1200Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
242 AM MDT THU MAR 12 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT
SUNDAY...
* WHAT...PROLONGED PERIODS OF HEAVY SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 10 AND 20 INCHES. WINDS COULD GUST AS HIGH AS
60 MPH THIS EVENING, BEFORE DECREASING TONIGHT.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...FROM 6 PM THIS EVENING TO 6 AM MDT SUNDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY COULD BE SEVERELY IMPACTED
BY HEAVY ACCUMULATING SNOW. TRAVEL COULD BE VERY DIFFICULT TO
IMPOSSIBLE, INCLUDING ALONG US14 THROUGH BURGESS JUNCTION. BLOWING
SNOW COULD SIGNIFICANTLY REDUCE VISIBILITY.
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. RECREATION IN THE HIGH COUNTRY WILL BE IMPACTED BY HEAVY
ACCUMULATING SNOW.
MTZ067-130845-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
242 AM 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 3 FEET, GREATEST ON SOUTH AND WEST
FACING ASPECTS. LOCALLY HIGHER TOTALS ARE POSSIBLE. WINDS COULD
GUST AS HIGH AS 85 MPH TODAY.
* WHERE...ABSAROKA/BEARTOOTH MOUNTAINS.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY WILL BE SEVERELY IMPACTED
BY HEAVY ACCUMULATING SNOW. TRAVEL COULD BE VERY DIFFICULT TO
IMPOSSIBLE. WIDESPREAD BLOWING SNOW COULD SIGNIFICANTLY REDUCE
VISIBILITY. VERY STRONG WINDS COULD CAUSE EXTENSIVE DAMAGE TO TREES
AND POWER LINES.
* 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.
MTZ056-066-130845-
/O.EXB.KBYZ.WS.A.0002.260313T1800Z-260315T1200Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF RED LODGE, FISHTAIL, ROBERTS, MCLEOD, NYE,
AND ROSCOE
242 AM MDT THU MAR 12 2026
...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
SATURDAY NIGHT...
* WHAT...PERIODS OF HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS
BETWEEN 5 AND 10 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 40
MPH.
* 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ169-130845-
/O.EXA.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
BIGHORN CANYON-
INCLUDING THE LOCATIONS OF FORT SMITH
242 AM MDT THU MAR 12 2026
...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH LATE
SATURDAY NIGHT...
* WHAT...PERIODS OF HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS
BETWEEN 6 TO 12 INCHES POSSIBLE.
* WHERE...BIGHORN CANYON.
* WHEN...FROM THIS EVENING THROUGH LATE SATURDAY NIGHT.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL LIKELY
BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE VERY DIFFICULT. THE
HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY
COMMUTES. CONDITIONS MAY THREATEN YOUNG LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
MTZ031-036-058-WYZ199-130845-
/O.CON.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
NORTHERN ROSEBUD-POWDER RIVER-SOUTHERN ROSEBUD-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF BIG HORN, FORSYTH, ANGELA, COLSTRIP,
INGOMAR, POWDERVILLE, ASHLAND, LAME DEER, BIRNEY, CLEARMONT, BROADUS,
SONNETTE, DAYTON, SHERIDAN, RANCHESTER, AND BIDDLE
242 AM MDT THU MAR 12 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
LATE SATURDAY NIGHT...
* WHAT...PERIODS OF HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS
BETWEEN 6 AND 12 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 50
MPH EARLY THIS EVENING BEFORE DECREASING OVERNIGHT.
* WHERE...IN MONTANA, NORTHERN ROSEBUD, POWDER RIVER, AND SOUTHERN
ROSEBUD. IN WYOMING, SHERIDAN FOOTHILLS.
* WHEN...FROM THIS EVENING THROUGH LATE SATURDAY NIGHT.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL LIKELY
BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE VERY DIFFICULT. THE
HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY
COMMUTES. CONDITIONS MAY THREATEN YOUNG LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PERSONS SHOULD CONSIDER DELAYING TRAVEL. IF TRAVEL IS ABSOLUTELY
NECESSARY, DRIVE WITH EXTREME CAUTION. CONSIDER TAKING A WINTER STORM
KIT ALONG WITH YOU, INCLUDING SUCH ITEMS AS TIRE CHAINS, BOOSTER
CABLES, FLASHLIGHT, SHOVEL, BLANKETS AND EXTRA CLOTHING. ALSO TAKE
WATER, A FIRST AID KIT, AND ANYTHING ELSE THAT WOULD HELP YOU SURVIVE
IN CASE YOU BECOME STRANDED.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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