683
WWUS45 KBYZ 122001
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
201 PM MDT THU MAR 12 2026
MTZ169-WYZ199-122115-
/O.CAN.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
BIGHORN CANYON-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF RANCHESTER, DAYTON, CLEARMONT, BIG HORN,
FORT SMITH, AND SHERIDAN
201 PM MDT THU MAR 12 2026
..WINTER STORM WATCH IS CANCELLED
WHILE THE AREA MAY SEE AN INCH OR TWO OF WET SNOWFALL TONIGHT INTO
EARLY FRIDAY, THE CHANCE OF IMPACTFUL SNOWFALL IS NO LONGER EXPECTED
IN THE NEAR TERM. WE MAY SEE A PERIOD OF HEAVIER SNOWFALL THIS
WEEKEND SO PLEASE MONITOR THE FORECASTS IF YOU HAVE TRAVEL PLANS.
MTZ031-132015-
/O.UPG.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
/O.EXB.KBYZ.WS.W.0004.260313T0900Z-260315T1200Z/
NORTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF COLSTRIP, FORSYTH, ANGELA, AND INGOMAR
201 PM MDT THU MAR 12 2026
...WINTER STORM WARNING 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.
MTZ036-058-132015-
/O.UPG.KBYZ.WS.A.0002.260313T0000Z-260315T1200Z/
/O.EXB.KBYZ.WS.W.0004.260313T0600Z-260315T1200Z/
POWDER RIVER-SOUTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF LAME DEER, ASHLAND, BIDDLE, POWDERVILLE,
BIRNEY, SONNETTE, AND BROADUS
201 PM MDT THU MAR 12 2026
...WINTER STORM WARNING 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.
MTZ067-132015-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
201 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 3 FEET, GREATEST ON SOUTH AND WEST
FACING ASPECTS. LOCALLY HIGHER TOTALS ARE POSSIBLE. WINDS COULD
GUST AS HIGH AS 85 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.
MTZ068-132015-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
CRAZY MOUNTAINS-
201 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 3 FEET, WITH LOCALLY HIGHER TOTALS
POSSIBLE. WINDS COULD GUST AS HIGH AS 90 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.
MTZ029-034-042-063-141-172-173-228-235-132015-
/O.CON.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 BIG TIMBER, JUDITH GAP, BROADVIEW,
HARLOWTON, SHAWMUT, PARK CITY, MUSSELSHELL, COLUMBUS, TWODOT,
MELSTONE, POMPEYS PILLAR, LAUREL, CUSTER, ROUNDUP, MELVILLE,
ABSAROKEE, HUNTLEY, LAVINA, RAPELJE, BILLINGS, REED POINT, AND
RYEGATE
201 PM MDT THU MAR 12 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 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...FROM 6 PM THIS EVENING TO 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 OVER THE AREA THIS
EVENING, 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.
MTZ030-057-138-132015-
/O.CON.KBYZ.WS.W.0004.260313T0000Z-260315T1200Z/
TREASURE-NORTHERN BIG HORN-SOUTHERN BIG HORN-
INCLUDING THE LOCATIONS OF BIGHORN, HYSHAM, WYOLA, LODGE GRASS,
PRYOR, HARDIN, BUSBY, AND CROW AGENCY
201 PM MDT THU MAR 12 2026
...WINTER STORM WARNING REMAINS 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 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-WYZ198-132015-
/O.CON.KBYZ.WS.W.0004.260313T0000Z-260315T1200Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
201 PM MDT THU MAR 12 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6
AM MDT SUNDAY...
* WHAT...PROLONGED PERIODS OF SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 10 AND 20 INCHES.
* 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,
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.
MTZ056-066-132015-
/O.EXT.KBYZ.WS.A.0002.260313T2100Z-260315T1200Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF NYE, FISHTAIL, ROBERTS, ROSCOE, MCLEOD,
AND RED LODGE
201 PM MDT THU MAR 12 2026
...WINTER STORM WATCH NOW 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
TESAR
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page