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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
146 PM MST Sat Dec 6 2025

MTZ067-068-070700-
/O.CON.KBYZ.WS.W.0017.000000T0000Z-251207T0700Z/
Absaroka/Beartooth Mountains-Crazy Mountains-
Including the locations of Cooke City
146 PM MST Sat Dec 6 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow occurring. Additional snow accumulations of 3 to
  6 inches. Winds gusting as high as 50 mph in exposed areas.

* 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 additional
  snowfall, 0 to 3 inches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Those in the backcountry should ensure they are prepared for
dangerous winter conditions.

&&

$$


Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
141 PM MST Sat Dec 6 2025

MTZ301-307-070400-
/O.CON.KTFX.WW.Y.0053.000000T0000Z-251207T0400Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Babb, Rogers Pass, East
Glacier Park, Kiowa, Marias Pass, Saint Mary, and Logan Pass
141 PM MST Sat Dec 6 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations up to 4 inches. Winds
  gusting as high as 35 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...Until 9 PM MST this evening.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely be slick and hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.

&&

$$

Hoenisch

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
141 PM MST Sat Dec 6 2025

MTZ330-070400-
/O.CAN.KTFX.WS.W.0019.000000T0000Z-251207T0400Z/
/O.EXA.KTFX.WW.Y.0053.000000T0000Z-251207T0400Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Raynolds Pass, Targhee Pass,
Big Sky, and West Yellowstone
141 PM MST Sat Dec 6 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MST THIS EVENING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Periods of snow through this evening. Additional snow
  accumulations up to two inches.

* WHERE...Gallatin and Madison County Mountains and Centennial
  Mountains.

* WHEN...Until 9 PM MST this evening.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.


&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Great Falls MT
732 PM MST Sat Dec 6 2025

MTZ303-304-309-310-312-070445-
Eastern Glacier, Western Toole, and Central Pondera-
Eastern Toole and Liberty-Eastern Pondera and Eastern Teton-
Western and Central Chouteau County-Cascade County below 5000ft-
Including the cities of Cut Bank, Ethridge, Santa Rita, Devon,
Shelby, Chester, Galata, Joplin, Lothair, Whitlash, Brady,
Conrad, Ledger, Floweree, Carter, Fort Benton, and Great Falls
732 PM MST Sat Dec 6 2025

...Patchy dense freezing fog to continue over portions of north-
central Montana through this evening...

Patchy dense freezing fog continues over the golden triangle
area of north-central Montana this evening. Expect highly
variable visibility down to a half mile or less across short
distances. Also, icy conditions from earlier snowfall and or frost
deposition may cause slippery spots on area roads. The fog should
dissipate in a southwest to northeast fashion through midnight.

Those traveling should be prepared for highly variable road
conditions. Slow down and allow extra time to reach your
destination.

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
309 AM MST Sat Dec 6 2025

WYZ001>020-022>030-071415-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
309 AM MST Sat Dec 6 2025

...WINTER STORM WARNING REMAINS IN EFFECT FOR THE TETON AND GROS
VENTRE MOUNTAINS AND THE SALT RIVER AND WYOMING RANGES UNTIL 2 PM
MST THIS AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR YELLOWSTONE NATIONAL
PARK, THE ABSAROKA MOUNTAINS, THE UPPER GREEN RIVER BASIN FOOTHILLS,
THE WIND RIVER MOUNTAINS WEST, JACKSON HOLE, AND STAR VALLEY UNTIL 2
PM MST THIS AFTERNOON...
...WINTER STORM WARNING REMAINS IN EFFECT FOR THE BIGHORN MOUNTAINS WEST
UNTIL 5 PM MST THIS AFTERNOON...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Periods of moderate to heavy snowfall are possible through the late
morning/early afternoon across the Western Mountains, Jackson and
Star Valleys, the Upper Green River Basin, and the western Bighorns.
Gusty winds combined with snow could cause reduced visibilities and
hazardous travel.

Wind gusts of 30 to 50 mph are expected, with isolated gusts above 60
mph possible, much of the day across the western mountains, the Wind
Corridor, and the Wind River Basin.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday through Thursday...Multiple chances for snow across western
Wyoming and widespread breezy to gusty winds.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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