174
WWUS45 KBYZ 012117
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
217 PM MST Mon Dec 1 2025

MTZ036-037-057-058-138-022130-
/O.NEW.KBYZ.WW.Y.0038.251202T1200Z-251203T1200Z/
Powder River-Carter-Northern Big Horn-Southern Rosebud-Southern
Big Horn-
Including the locations of Busby, Hardin, Birney, Lodge Grass, Crow
Agency, Broadus, Lame Deer, Pryor, Belltower, Alzada, Hammond,
Powderville, Ashland, Biddle, Sonnette, Ekalaka, and Wyola
217 PM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...

* WHAT...Periods of snow expected. Total snow accumulations up to 4
  inches, greatest over the higher hills. Locally higher totals in
  the Wolf Mountains. Winds gusting as high as 30 mph.

* WHERE...Northern Big Horn, Southern Big Horn, Carter, Powder River,
  and Southern Rosebud.

* WHEN...From 5 AM Tuesday to 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Tuesday morning and evening commutes.

* ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze
  Tuesday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

MTZ171-022130-
/O.NEW.KBYZ.WW.Y.0038.251202T1800Z-251203T1200Z/
Pryor/Northern Bighorn Mountains-
217 PM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 5 AM MST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 9
  inches. Winds gusting as high as 30 mph.

* WHERE...Pryor/Northern Bighorn Mountains.

* WHEN...From 11 AM Tuesday to 5 AM MST Wednesday.

* IMPACTS...Recreation in the high country will be impacted by
  accumulating snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare for winter weather.

&&

$$

MTZ056-066-022130-
/O.NEW.KBYZ.WW.Y.0038.251203T0000Z-251203T1200Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Red Lodge, Roscoe, McLeod, Roberts,
Fishtail, and Nye
217 PM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM TUESDAY TO 5 AM MST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches,
  with locally higher totals possible.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* WHEN...From 5 PM Tuesday to 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Tuesday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

MTZ169-WYZ199-022130-
/O.NEW.KBYZ.WW.Y.0038.251203T0000Z-251203T1200Z/
Bighorn Canyon-Sheridan Foothills-
Including the locations of Clearmont, Fort Smith, Big Horn, Dayton,
Ranchester, and Sheridan
217 PM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM TUESDAY TO 5 AM MST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations up to 3 inches,
  greatest over the higher hills and near the Bighorn Mountains.
  Winds gusting as high as 30 mph.

* WHERE...In Montana, Bighorn Canyon. In Wyoming, Sheridan Foothills.

* WHEN...From 5 PM Tuesday to 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Tuesday evening commute.

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

Palmquist