589
WWUS45 KBYZ 090832
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
132 AM MST Tue Dec 9 2025

MTZ067-100845-
/O.CON.KBYZ.WS.W.0018.000000T0000Z-251211T0000Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
132 AM MST Tue Dec 9 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY...

* WHAT...Periods of heavy snow. Additional snow accumulations of 10
  to 18 inches, greatest on west aspects. Winds gusting as high as 75
  mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 5 PM MST Wednesday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and significant blowing snow. Whiteout conditions
  are possible over the highest elevations. Avalanche danger will
  increase.

* ADDITIONAL DETAILS...Additional periods of moderate to heavy snow
  possible Thursday and Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Outdoor activities in the mountains will be impacted by harsh winter
conditions, so be prepared.

&&

$$

WYZ198-100845-
/O.CON.KBYZ.WW.Y.0040.251209T1200Z-251211T0000Z/
Northeast Bighorn Mountains-
Including the locations of Story and Burgess Jct
132 AM MST Tue Dec 9 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 PM MST WEDNESDAY...

* WHAT...Periods of snow expected. Total snow accumulations between 4
  and 10 inches above 7,000 ft with lesser amounts below. Winds
  gusting as high as 55 mph.

* WHERE...Northeast Bighorn Mountains.

* WHEN...From 5 AM early this morning to 5 PM MST Wednesday.

* IMPACTS...Travel will be very difficult on Highway 14 through the
  Bighorns. Widespread blowing snow may significantly reduce
  visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Outdoor recreation will be impacted by harsh wintry conditions. 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

Lester