295
WWUS45 KBYZ 060850
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
150 AM MST SAT DEC 6 2025
MTZ067-068-070700-
/O.EXT.KBYZ.WS.W.0017.000000T0000Z-251207T0700Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
150 AM MST SAT DEC 6 2025
..WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MST TONIGHT
* WHAT...PERIODS OF MODERATE TO HEAVY SNOW, STRONG WINDS AND BLOWING
SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 8 AND 15 INCHES. WINDS
GUSTING AS HIGH AS 60 MPH ON THE MOUNTAIN TOPS.
* WHERE...ABSAROKA/BEARTOOTH MOUNTAINS AND CRAZY MOUNTAINS.
* WHEN...UNTIL MIDNIGHT MST TONIGHT.
* IMPACTS...MOUNTAIN RECREATION WILL BE IMPACTED BY HEAVY
ACCUMULATING SNOW AND BLOWING SNOW.
* ADDITIONAL DETAILS...THE HEAVIEST SNOWFALL WILL OCCUR ON WEST AND
NORTHWEST FACING SLOPES, INCLUDING THE MOUNTAINS NEAR COOKE CITY.
THE MOUNTAINS AROUND RED LODGE WILL SEE MUCH LESS SNOWFALL, 1 TO 5
INCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THOSE IN THE BACKCOUNTRY SHOULD ENSURE THEY ARE PREPARED FOR
DANGEROUS WINTER CONDITIONS.
MTZ171-WYZ198-062100-
/O.CON.KBYZ.WW.Y.0039.000000T0000Z-251206T2100Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF STORY AND BURGESS JCT
150 AM MST SAT DEC 6 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...
* WHAT...OCCASIONAL SNOW AND BLOWING SNOW. ADDITIONAL SNOW
ACCUMULATIONS OF 4 TO 7 INCHES. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...UNTIL 2 PM MST THIS AFTERNOON.
* IMPACTS...OUTDOOR RECREATION WILL BE IMPACTED BY WINTRY CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THOSE RECREATING IN THE BACKCOUNTRY SHOULD ENSURE THEY ARE PREPARED
FOR DIFFICULT WINTRY CONDITIONS.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
LESTER
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