318
WWUS45 KBYZ 160508
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1108 PM MDT WED APR 15 2026
MTZ067-068-170515-
/O.CON.KBYZ.WS.W.0007.000000T0000Z-260417T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
1108 PM MDT WED APR 15 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY
* WHAT...HEAVY SNOW AND BLOWING SNOW. TOTAL SNOW ACCUMULATIONS OF 1
TO 2 FEET. WINDS GUSTING AS HIGH AS 55 MPH.
* WHERE...ABSAROKA/BEARTOOTH MOUNTAINS AND CRAZY MOUNTAINS.
* WHEN...UNTIL 6 AM MDT FRIDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY WILL BE IMPACTED BY HEAVY
ACCUMULATING SNOW. WIDESPREAD BLOWING SNOW COULD SIGNIFICANTLY
REDUCE VISIBILITY. AVALANCHE DANGER MAY INCREASE.
* ADDITIONAL DETAILS...HIGHEST SNOW TOTALS EXPECTED OVER 9,000 FEET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RECREATION IN THE BACKCOUNTRY WILL BE HAZARDOUS DUE TO FALLING AND
BLOWING SNOW. BE ALERT FOR THE POSSIBILITY OF INCREASED AVALANCHE
CONDITIONS.
MTZ040-170515-
/O.EXA.KBYZ.WW.Y.0015.260416T0600Z-260417T1200Z/
NORTHERN PARK-
INCLUDING THE LOCATIONS OF WILSALL AND CLYDE PARK
1108 PM MDT WED APR 15 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT FRIDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3
INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...NORTHERN PARK.
* WHEN...UNTIL 6 AM MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS WILL IMPACT THE THURSDAY MORNING AND EVENING COMMUTES.
* ADDITIONAL DETAILS...LOCATIONS CLOSE TO THE MOUNTAINS MAY SEE
LOCALLY HIGHER SNOW TOTALS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ056-065-066-170515-
/O.CON.KBYZ.WW.Y.0015.260416T0600Z-260417T1200Z/
RED LODGE FOOTHILLS-LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF ROBERTS, RED LODGE, NYE, ROSCOE,
SPRINGDALE, FISHTAIL, LIVINGSTON, AND MCLEOD
1108 PM MDT WED APR 15 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3
INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...BEARTOOTH FOOTHILLS, LIVINGSTON AREA, AND RED LODGE
FOOTHILLS.
* WHEN...UNTIL 6 AM MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS WILL IMPACT THE THURSDAY MORNING AND EVENING COMMUTES.
* ADDITIONAL DETAILS...LOCATIONS CLOSE TO THE MOUNTAINS MAY SEE
LOCALLY HIGHER SNOW TOTALS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ064-170515-
/O.CON.KBYZ.WW.Y.0015.260416T0600Z-260417T1200Z/
PARADISE VALLEY-
INCLUDING THE LOCATIONS OF EMIGRANT
1108 PM MDT WED APR 15 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS GENERALLY BETWEEN 2
AND 4 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. WINDS GUSTING AS
HIGH AS 30 MPH.
* WHERE...PARADISE VALLEY.
* WHEN...UNTIL 6 AM MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS WILL IMPACT THE THURSDAY MORNING AND EVENING COMMUTES.
* ADDITIONAL DETAILS...LOCATIONS ON THE EAST SIDE OF THE VALLEY MAY
SEE LOCALLY HIGHER SNOW TOTALS, ESEPCAILLY IN THE HIGHER
ELEVATIONS. AREAS NEAR GARDINER MAY ALSO SEE TOTALS OVER 4".
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ171-WYZ198-170515-
/O.CON.KBYZ.WW.Y.0015.260416T1500Z-260417T1200Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
1108 PM MDT WED APR 15 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THURSDAY TO 6
AM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND 12
INCHES. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...FROM 9 AM THURSDAY TO 6 AM MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT; INCLUDING HIGHWAY 14.
BLOWING SNOW COULD SIGNIFICANTLY REDUCE VISIBILITY. THE HAZARDOUS
CONDITIONS WILL IMPACT THE THURSDAY MORNING AND EVENING COMMUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
MTZ138-WYZ199-170515-
/O.CON.KBYZ.WW.Y.0015.260416T1800Z-260417T1200Z/
SOUTHERN BIG HORN-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF SHERIDAN, LODGE GRASS, BIG HORN, DAYTON,
PRYOR, WYOLA, RANCHESTER, AND CLEARMONT
1108 PM MDT WED APR 15 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON THURSDAY TO 6
AM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO THREE INCHES.
WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...IN MONTANA, SOUTHERN BIG HORN. IN WYOMING, SHERIDAN
FOOTHILLS.
* WHEN...FROM NOON THURSDAY TO 6 AM MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS WILL IMPACT THE THURSDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...SNOW TOTALS NEAR SHERIDAN AND ALONG I-90 WILL
GENERALLY BE AROUND 1". THE HIGHEST SNOWFALL TOTALS ARE EXPECTED
CLOSE TO THE MOUNTAINS. HEAVIEST SNOWFALL IS EXPECTED THURSDAY
EVENING.
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
MCKEOWN-ROBBIE
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page