948
WWUS45 KBYZ 132011
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
211 PM MDT FRI MAR 13 2026
MTZ031-036-058-142015-
/O.CAN.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
/O.NEW.KBYZ.WS.W.0005.260313T2011Z-260315T1200Z/
NORTHERN ROSEBUD-POWDER RIVER-SOUTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF FORSYTH, POWDERVILLE, BIDDLE, LAME DEER,
COLSTRIP, INGOMAR, BIRNEY, ANGELA, BROADUS, SONNETTE, AND ASHLAND
211 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...HEAVY SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS BETWEEN
4 AND 9 INCHES. WINDS GUSTING AS HIGH AS 30 MPH.
* WHERE...NORTHERN ROSEBUD, POWDER RIVER, AND SOUTHERN ROSEBUD.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
WILL IMPACT THE FRIDAY EVENING COMMUTE. ROADS, AND ESPECIALLY
BRIDGES AND OVERPASSES, WILL LIKELY BECOME SLICK AND HAZARDOUS.
COLD AND WET CONDITIONS WILL BE DANGEROUS FOR YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...THE HEAVIEST SNOWFALL WILL FALL TONIGHT AND
SATURDAY.
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.
MTZ067-068-142015-
/O.CAN.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
/O.NEW.KBYZ.WS.W.0005.260313T2011Z-260315T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
211 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...HEAVY SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS BETWEEN
1 AND 4 FEET, GREATEST IN THE ABSAROKA/BEARTOOTHS. LOCALLY HIGHER
AMOUNTS POSSIBLE.
* WHERE...ABSAROKA/BEARTOOTH MOUNTAINS AND CRAZY MOUNTAINS.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY WILL BE IMPACTED BY HEAVY
ACCUMULATING SNOW. WIDESPREAD BLOWING SNOW COULD SIGNIFICANTLY
REDUCE VISIBILITY. AVALANCHE DANGER IS EXPECTED TO INCREASE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT GET CAUGHT UNPREPARED IN THE HIGH COUNTRY. SEVERE WINTER
CONDITIONS ARE EXPECTED.
MTZ032-033-037-142015-
/O.UPG.KBYZ.WS.A.0002.260314T1200Z-260315T1800Z/
/O.EXA.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
CUSTER-FALLON-CARTER-
INCLUDING THE LOCATIONS OF WEBSTER, HAMMOND, VOLBORG, PLEVNA, ISMAY,
ALZADA, BAKER, EKALAKA, BELLTOWER, AND MILES CITY
211 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...PERIODS OF HEAVY SNOW. SNOW ACCUMULATIONS BETWEEN 4 AND 9
INCHES. WINDS GUSTING AS HIGH AS 30 MPH.
* WHERE...CARTER, CUSTER, AND FALLON.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. PATCHY BLOWING SNOW COULD
SIGNIFICANTLY REDUCE VISIBILITY. THE HAZARDOUS CONDITIONS WILL
IMPACT THE FRIDAY EVENING COMMUTE.
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.
MTZ029-034-042-063-141-172-173-228-235-142015-
/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 HUNTLEY, RYEGATE, RAPELJE, MUSSELSHELL,
BILLINGS, BIG TIMBER, POMPEYS PILLAR, ABSAROKEE, JUDITH GAP,
HARLOWTON, BROADVIEW, PARK CITY, COLUMBUS, MELSTONE, SHAWMUT,
MELVILLE, REED POINT, LAUREL, ROUNDUP, CUSTER, LAVINA, AND TWODOT
211 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...HEAVY MIXED PRECIPITATION OCCURRING. ADDITIONAL SNOW
ACCUMULATIONS BETWEEN 3 AND 10 INCHES AND ICE ACCUMULATIONS AROUND
A LIGHT GLAZE. THE GREATEST ADDITIONAL SNOW ACCUMULATIONS WILL FALL
NORTH AND WEST OF BILLINGS. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...PORTIONS OF CENTRAL AND SOUTH CENTRAL MONTANA.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. AREAS OF BLOWING SNOW
COULD SIGNIFICANTLY REDUCE VISIBILITY. THE HAZARDOUS CONDITIONS
WILL IMPACT THE FRIDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...PRECIPITATION MAY DIMINISH THIS EVENING (6PM
TO MIDNIGHT) AND SATURDAY MORNING (5AM TO 10AM), BECOMING MIXED
PRECIPITATION TO FREEZING RAIN. THE MOST LIKELY LOCATIONS FOR MIXED
PRECIPITATION ARE IN YELLOWSTONE, STILLWATER, AND SWEET GRASS
COUNTIES. SNOW IS EXPECTED TO FILL BACK IN SATURDAY
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.
MTZ030-057-138-142015-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
TREASURE-NORTHERN BIG HORN-SOUTHERN BIG HORN-
INCLUDING THE LOCATIONS OF BUSBY, CROW AGENCY, LODGE GRASS, HYSHAM,
PRYOR, WYOLA, HARDIN, AND BIGHORN
211 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...PERIODS OF MODERATE TO HEAVY SNOW OCCURRING. PERIODS OF
MIXED PRECIPITATION POSSIBLE. ADDITIONAL SNOW ACCUMULATIONS BETWEEN
2 AND 7 INCHES AND ICE ACCUMULATIONS AROUND A LIGHT GLAZE. WINDS
GUSTING AS HIGH AS 35 MPH.
* WHERE...NORTHERN BIG HORN, SOUTHERN BIG HORN, AND TREASURE.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. AREAS OF BLOWING SNOW
COULD SIGNIFICANTLY REDUCE VISIBILITY. THE HAZARDOUS CONDITIONS
WILL IMPACT THE FRIDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...ROAD CONDITIONS WILL REMAIN SLUSHY THROUGH
TODAY. A PERIOD OF MIXED PRECIPITATION IS POSSIBLE THIS EVENING,
INCLUDING FREEZING RAIN. THE CHANCE FOR FREEZING RAIN IS GREATEST
ALONG I-90 THROUGH TREASURE COUNTY. EXPECT SNOW TO FILL BACK IN ON
SATURDAY.
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-WYZ198-142015-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
211 PM MDT FRI MAR 13 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 EXPECTED. WIND GUSTS UP TO 50 MPH.
* 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.
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.
MTZ056-066-142015-
/O.UPG.KBYZ.WS.A.0002.260313T2100Z-260315T1200Z/
/O.NEW.KBYZ.WW.Y.0012.260314T1200Z-260315T1200Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF ROBERTS, ROSCOE, NYE, MCLEOD, FISHTAIL,
AND RED LODGE
211 PM MDT FRI MAR 13 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 6 AM MDT
SUNDAY...
* WHAT...MIXED PRECIPITATION EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 3 AND 8 INCHES AND ICE ACCUMULATIONS AROUND A LIGHT GLAZE.
WINDS GUSTING AS HIGH AS 45 MPH.
* WHERE...BEARTOOTH FOOTHILLS AND RED LODGE FOOTHILLS.
* WHEN...FROM 6 AM SATURDAY TO 6 AM MDT SUNDAY.
* 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. A PERIOD OF MIXED PRECIPITATION, INCLUDING
FREEZING RAIN IS POSSIBLE THIS EVENING AND SATURDAY MORNING. THE
MOST LIKELY AREAS TO BE IMPACTED WILL BE ALONG HIGHWAY 78 NORTH OF
ROSCOE AND US-212 NORTH OF RED LODGE. SNOW IS EXPECTED TO MOVE IN
SATURDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ170-142015-
/O.NEW.KBYZ.WW.Y.0012.260314T1200Z-260315T1200Z/
NORTHERN CARBON-
INCLUDING THE LOCATIONS OF JOLIET AND FROMBERG
211 PM MDT FRI MAR 13 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 6 AM MDT
SUNDAY...
* WHAT...MIXED PRECIPITATION EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 2 AND 4 INCHES AND ICE ACCUMULATIONS AROUND A LIGHT GLAZE.
WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...NORTHERN CARBON.
* WHEN...FROM 6 AM SATURDAY TO 6 AM MDT SUNDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. AREAS OF BLOWING SNOW
COULD SIGNIFICANTLY REDUCE VISIBILITY.
* ADDITIONAL DETAILS...MIXED PRECIPITATION INCLUDING FREEZING RAIN IS
POSSIBLE THIS EVENING AND SATURDAY MORNING. IMPACTS US-212 AND
HIGHWAY 310 ARE POSSIBLE. SNOW IS EXPECTED TO MOVE BACK IN ON
SATURDAY.
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
MATOS
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