372
WWUS45 KBYZ 111947
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
147 PM MDT WED MAR 11 2026
MTZ067-122000-
/O.UPG.KBYZ.WS.A.0002.260312T0000Z-260315T1200Z/
/O.NEW.KBYZ.WS.W.0004.260312T0000Z-260315T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
147 PM MDT WED MAR 11 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT
SUNDAY...
* WHAT...PROLONGED PERIODS OF HEAVY SNOW POSSIBLE. TOTAL SNOW
ACCUMULATIONS BETWEEN 1 AND 3 FEET POSSIBLE, GREATEST ON SOUTH AND
WEST FACING ASPECTS. WINDS COULD GUST AS HIGH AS 85 MPH THURSDAY.
* WHERE...ABSAROKA/BEARTOOTH 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. WIDESPREAD BLOWING SNOW COULD SIGNIFICANTLY REDUCE
VISIBILITY. VERY STRONG WINDS COULD CAUSE EXTENSIVE DAMAGE TO TREES
AND POWER LINES.
* ADDITIONAL DETAILS...SNOW WILL BEGIN THIS EVENING ON SOUTH AND WEST
FACING ASPECTS. SNOW MAY NOT BEGIN FALLING ON THE NORTH ASPECTS
UNTIL THURSDAY NIGHT OR FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT GET CAUGHT UNPREPARED IN THE HIGH COUNTRY. SEVERE WINTER
CONDITIONS ARE EXPECTED. AVALANCHE DANGER WILL ALSO INCREASE.
MTZ029-030-034-036-042-057-058-063-138-141-172-173-228-235-WYZ199-
122000-
/O.EXB.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
MUSSELSHELL-TREASURE-NORTHERN STILLWATER-POWDER RIVER-GOLDEN
VALLEY-NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-SOUTHERN BIG
HORN-NORTHERN SWEET GRASS-MELVILLE FOOTHILLS-NORTHEASTERN
YELLOWSTONE-SOUTHERN WHEATLAND-SOUTHWESTERN YELLOWSTONE-SHERIDAN
FOOTHILLS-
INCLUDING THE LOCATIONS OF JUDITH GAP, BUSBY, RANCHESTER, MELVILLE,
DAYTON, TWODOT, MUSSELSHELL, BIDDLE, CLEARMONT, BIGHORN, PARK CITY,
SONNETTE, BROADUS, ASHLAND, MELSTONE, POMPEYS PILLAR, HARDIN, LODGE
GRASS, CUSTER, SHAWMUT, HARLOWTON, RAPELJE, ROUNDUP, REED POINT,
WYOLA, BROADVIEW, HUNTLEY, POWDERVILLE, COLUMBUS, LAUREL, PRYOR,
BIRNEY, CROW AGENCY, ABSAROKEE, RYEGATE, LAME DEER, BILLINGS, LAVINA,
BIG TIMBER, BIG HORN, HYSHAM, AND SHERIDAN
147 PM MDT WED MAR 11 2026
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE
SATURDAY NIGHT...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 7 AND
14 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 30 MPH.
* WHERE...PORTIONS OF CENTRAL, SOUTH CENTRAL, AND SOUTHEAST MONTANA
AND NORTH CENTRAL WYOMING.
* WHEN...FROM THURSDAY EVENING THROUGH LATE SATURDAY NIGHT.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL LIKELY
BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE VERY DIFFICULT TO
IMPOSSIBLE. THE HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY
EVENING AND FRIDAY MORNING COMMUTES. CONDITIONS MAY THREATEN YOUNG
LIVESTOCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE SHOULD DELAY ALL TRAVEL IF POSSIBLE. IF TRAVEL IS ABSOLUTELY
NECESSARY, DRIVE WITH EXTREME CAUTION AND BE PREPARED FOR SUDDEN
CHANGES IN VISIBILITY. LEAVE PLENTY OF ROOM BETWEEN YOU AND THE
MOTORIST AHEAD OF YOU, AND ALLOW EXTRA TIME TO REACH YOUR
DESTINATION. AVOID SUDDEN BRAKING OR ACCELERATION, AND BE ESPECIALLY
CAUTIOUS ON HILLS OR WHEN MAKING TURNS. MAKE SURE YOUR CAR IS
WINTERIZED AND IN GOOD WORKING ORDER.
MTZ171-WYZ198-122000-
/O.EXB.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
147 PM MDT WED MAR 11 2026
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE
SATURDAY NIGHT...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 10 AND
20 INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 35 MPH.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...FROM THURSDAY EVENING THROUGH LATE SATURDAY NIGHT.
* IMPACTS...RECREATION IN THE HIGH COUNTRY COULD 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PERSONS SHOULD DELAY ALL TRAVEL IF POSSIBLE. IF TRAVEL IS ABSOLUTELY
NECESSARY, DRIVE WITH EXTREME CAUTION AND BE PREPARED FOR SUDDEN
CHANGES IN VISIBILITY. RECREATION IN THE HIGH COUNTRY MAY BE SEVERELY
IMPACTED.
MTZ068-122000-
/O.CON.KBYZ.WS.A.0002.260312T1800Z-260315T1200Z/
CRAZY MOUNTAINS-
147 PM MDT WED MAR 11 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH LATE SATURDAY NIGHT...
* WHAT...PROLONGED PERIODS OF HEAVY SNOW POSSIBLE. TOTAL SNOW
ACCUMULATIONS BETWEEN 1 AND 3 FEET POSSIBLE. WINDS COULD GUST AS
HIGH AS 90 MPH THURSDAY.
* WHERE...CRAZY MOUNTAINS.
* WHEN...FROM THURSDAY AFTERNOON THROUGH LATE SATURDAY NIGHT.
* IMPACTS...RECREATION IN THE HIGH COUNTRY COULD BE IMPACTED BY HEAVY
ACCUMULATING SNOW. AVALANCHE DANGER MAY INCREASE.
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
TESAR
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