663
WWUS45 KBYZ 140227
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
827 PM MDT FRI MAR 13 2026
MTZ029-034-042-063-141-172-173-228-235-150230-
/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 LAVINA, LAUREL, BROADVIEW, RYEGATE,
HARLOWTON, MELVILLE, TWODOT, PARK CITY, BIG TIMBER, RAPELJE,
BILLINGS, REED POINT, HUNTLEY, SHAWMUT, MUSSELSHELL, POMPEYS PILLAR,
JUDITH GAP, CUSTER, COLUMBUS, MELSTONE, ABSAROKEE, AND ROUNDUP
827 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...MODERATE TO HEAVY WET SNOW OCCURRING. ADDITIONAL SNOW
ACCUMULATIONS BETWEEN 2 AND 8 INCHES AND ICE ACCUMULATIONS AROUND
0.05 INCHES OR LESS. 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 HAZARDOUS AT TIMES. COLD AND WET
CONDITIONS WILL BE DANGEROUS FOR YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...PRECIPITATION MAY DIMINISH THIS EVENING,
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
EVENING, ENDING SUNDAY MORNING WITH HIGHEST ACCUMULATIONS FROM
HARLOWTON TO ROUNDUP.
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.
MTZ030-057-138-150230-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
TREASURE-NORTHERN BIG HORN-SOUTHERN BIG HORN-
INCLUDING THE LOCATIONS OF CROW AGENCY, PRYOR, BIGHORN, LODGE GRASS,
BUSBY, WYOLA, HYSHAM, AND HARDIN
827 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 WITH MIXED
PRECIPITATION POSSIBLE OVERNIGHT. ADDITIONAL SNOW ACCUMULATIONS UP
TO 5 INCHES AND AROUND 0.05 INCHES OR LESS OF FREEZING RAIN. WINDS
GUSTING UP TO 45 MPH.
* WHERE...NORTHERN BIG HORN, SOUTHERN BIG HORN, AND TREASURE.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...AREAS OF BLOWING SNOW COULD SIGNIFICANTLY REDUCE
VISIBILITY DOWN TO A HALF MILE AT TIMES SATURDAY EVENING, CREATING
HAZARDOUS TRAVEL CONDITIONS ALONG I-90 SOUTH OF LODGE GRASS. ROADS
WILL BECOME SLICK SATURDAY NIGHT AS COOLER TEMPERATURES MOVE IN.
COLD AND WET CONDITIONS WILL BE DANGEROUS FOR YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...A PERIOD OF MIXED PRECIPITATION IS POSSIBLE
THIS EVENING, INCLUDING FREEZING RAIN. THE CHANCE FOR FREEZING RAIN
IS GREATEST ALONG I-90 THROUGH NORTHERN BIG HORN COUNTY. EXPECT
SNOW TO FILL BACK IN SATURDAY EVENING AND DIMINISH THROUGH SUNDAY
MORNING.
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.
MTZ031-036-058-150230-
/O.CON.KBYZ.WS.W.0005.000000T0000Z-260315T1200Z/
NORTHERN ROSEBUD-POWDER RIVER-SOUTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF ASHLAND, BIDDLE, COLSTRIP, LAME DEER,
BIRNEY, FORSYTH, INGOMAR, SONNETTE, ANGELA, BROADUS, AND POWDERVILLE
827 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...MODERATE TO HEAVY SNOW OCCURRING. ADDITIONAL SNOW
ACCUMULATIONS UP TO 8 INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...NORTHERN ROSEBUD, POWDER RIVER, AND SOUTHERN ROSEBUD.
* WHEN...UNTIL 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. ROADS, AND ESPECIALLY
BRIDGES AND OVERPASSES, WILL LIKELY BECOME SLICK AND HAZARDOUS
ESPECIALLY SATURDAY EVENING AS COOLER CONDITIONS SET IN. COLD AND
WET CONDITIONS WILL BE DANGEROUS FOR YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...CONDITIONS WILL COOL SATURDAY EVENING AND
OVERNIGHT. SNOW WILL COME TO AN END SUNDAY MORNING.
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.
MTZ032-033-037-150230-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
CUSTER-FALLON-CARTER-
INCLUDING THE LOCATIONS OF BELLTOWER, BAKER, ISMAY, WEBSTER, MILES
CITY, ALZADA, EKALAKA, VOLBORG, HAMMOND, AND PLEVNA
827 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...MODERATE TO HEAVY SNOW OCCURING. SNOW ACCUMULATIONS UP TO 8
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 WITH WINDS CREATING AREAS
OF BLOWING SNOW ALONG THE DAKOTAS BORDER SATURDAY EVENING AND
OVERNIGHT. ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS ESPECIALLY SATURDAY EVENING AS
COOLER CONDITIONS SET IN. COLD AND WET CONDITIONS WILL BE DANGEROUS
FOR YOUNG LIVESTOCK.
* ADDITIONAL DETAILS...COOLER CONDITIONS SET IN SATURDAY NIGHT WITH
SNOW ENDING THROUGH SUNDAY MORNING.
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.
MTZ067-068-150230-
/O.CON.KBYZ.WS.W.0005.000000T0000Z-260315T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
827 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...HEAVY SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS BETWEEN
1 AND 2 FEET. WINDS GUSTING AS HIGH AS 60 MPH.
* 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.
* ADDITIONAL DETAILS...WINDS WILL INCREASE THROUGH THE DAY SATURDAY,
PEAKING SATURDAY EVENING AS A COLD FRONT MOVES THROUGH. SNOW WILL
COME TO AN END SUNDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT GET CAUGHT UNPREPARED IN THE HIGH COUNTRY. SEVERE WINTER
CONDITIONS ARE EXPECTED.
MTZ171-WYZ198-150230-
/O.CON.KBYZ.WS.W.0004.000000T0000Z-260315T1200Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
827 PM MDT FRI MAR 13 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY
* WHAT...HEAVY SNOW OCCURRING. ADDITIONAL SNOW ACCUMULATIONS UP TO A
FOOT. WINDS GUSTING AS HIGH AS 55 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 WILL BE SEVERELY IMPACTED
BY HEAVY ACCUMULATING SNOW. TRAVEL COULD BE VERY DIFFICULT,
INCLUDING ALONG US-14 THROUGH BURGESS JUNCTION. BLOWING SNOW WILL
SIGNIFICANTLY REDUCE VISIBILITY.
* ADDITIONAL DETAILS...WINDS WILL INCREASE THROUGH THE DAY SATURDAY,
PEAKING SATURDAY EVENING AS A COLD FRONT MOVES THROUGH. SNOW WILL
END SUNDAY MORNING.
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.
WYZ199-150230-
/O.EXB.KBYZ.WW.Y.0012.260314T2000Z-260315T1800Z/
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF DAYTON, RANCHESTER, SHERIDAN, CLEARMONT,
AND BIG HORN
827 PM MDT FRI MAR 13 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM SATURDAY TO NOON MDT
SUNDAY...
* WHAT...SNOW AND BLOWING SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 1 AND 3 INCHES. WINDS GUSTING UP TO 55 MPH.
* WHERE...SHERIDAN FOOTHILLS.
* WHEN...FROM 2 PM SATURDAY TO NOON MDT SUNDAY.
* IMPACTS...WIDESPREAD BLOWING SNOW COULD SIGNIFICANTLY REDUCE
VISIBILITY. LEAVE PLENTY OF ROOM BETWEEN YOU AND THE MOTORIST AHEAD
OF YOU, AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. ROADS WILL
LIKELY BECOME SLICK OVERNIGHT SATURDAY AS COOLER AIR MOVES IN.
* ADDITIONAL DETAILS...SNOW WILL COME TO AN END SUNDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ056-066-170-150230-
/O.CON.KBYZ.WW.Y.0012.260314T1200Z-260315T1200Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-NORTHERN CARBON-
INCLUDING THE LOCATIONS OF ROBERTS, FROMBERG, FISHTAIL, ROSCOE, NYE,
MCLEOD, RED LODGE, AND JOLIET
827 PM MDT FRI MAR 13 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6
AM MDT SUNDAY...
* WHAT...MIXED PRECIPITATION EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO
4 INCHES AND ICE ACCUMULATIONS UP TO 0.05 INCHES. WINDS GUSTING AS
HIGH AS 50 MPH.
* WHERE...BEARTOOTH FOOTHILLS, NORTHERN CARBON, AND RED LODGE
FOOTHILLS.
* WHEN...FROM 6 AM SATURDAY TO 6 AM MDT SUNDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT SATURDAY EVENING. BREEZY
CONDITIONS COULD CREATE AREAS OF BLOWING SNOW LATE SATURDAY
AFTERNOON AND EVENING AS A COLD FRONT MOVES THROUGH.
* ADDITIONAL DETAILS...SNOW WILL COME TO AN END EARLY SUNDAY MORNING.
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
STETZER
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