Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1225 PM MST Tue Dec 2 2025

MTZ317-318-320-330-031030-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T1200Z/
Little Belt and Highwood Mountains-Snowy and Judith Mountains-Big
Belt, Bridger and Castle Mountains-Gallatin and Madison County
Mountains and Centennial Mountains-
Including the following locations: Maudlow, Deep Creek Pass,
Targhee Pass, Bozeman Pass, Trident, Kings Hill Pass, Raynolds
Pass, Big Sky, Monarch, West Yellowstone, Battle Ridge Pass, and
Neihart
1225 PM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches
  for most passes, but 5 to 8 inches at Kings Hill Pass.

* WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains,
  Big Belt, Bridger and Castle Mountains, and Gallatin and Madison
  County Mountains and Centennial Mountains.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions and periods of lower
  visibility.

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.


&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1225 PM MST Tue Dec 2 2025

MTZ327-030600-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T0600Z/
Northwest Beaverhead County-
Including the following locations: Chief Joseph Pass, Big Hole
Pass, Dewey, Wise River, and Wisdom
1225 PM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations up to two inches.

* WHERE...Northwest Beaverhead County.

* WHEN...Until 11 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.

&&

$$

IG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1203 PM MST Tue Dec 2 2025

WYZ012-030600-
/O.CON.KRIW.WW.Y.0033.000000T0000Z-251203T0600Z/
Teton and Gros Ventre Mountains-
1203 PM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations up to two inches.

* WHERE...Teton and Gros Ventre Mountains.

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Travel could be difficult, especially over Teton Pass.
  The hazardous conditions could impact the Tuesday evening commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

Dziewaltowski

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025

IDZ006-021845-
/O.CON.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Southern Clearwater Mountains-
1045 AM PST Mon Dec 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 4 PM PST TUESDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations up to 7 inches
  for Lolo Pass. 1 to 2 inches for the lower elevations along
  Highway 12.

* WHERE...Highway 12 Lowell to Lolo Pass, Dixie, and Elk City.

* WHEN...From 7 PM this evening to 4 PM PST Tuesday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving.  The hazardous conditions could impact the
  Tuesday morning commute, especially over higher passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025

MTZ006-021845-
/O.CON.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Bitterroot/Sapphire Mountains-
1145 AM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 5 PM MST TUESDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations 4 to 7 inches.

* WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass.

* WHEN...From 8 PM this evening to 5 PM MST Tuesday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. The hazardous conditions could impact the Tuesday
  morning and evening commutes, especially over higher passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025

MTZ007-021845-
/O.EXA.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Butte/Blackfoot Region-
1145 AM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM
MST TUESDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations of 1 to 2 inches
  for valleys including Butte.  3 to 5 inches for Homestake Pass,
  MacDonald Pass and in the vicinity of Georgetown Lake.

* WHERE...Highway 12 Garrison to Elliston, Georgetown Lake, Butte,
  Homestake Pass, and MacDonald Pass.

* WHEN...From 8 PM this evening to 5 PM MST Tuesday.

* IMPACTS...For MINOR winter weather impacts, expect a few
  inconveniences to normal activities. Use caution while driving.
  Winter traveling conditions. The hazardous conditions could impact
  the Tuesday morning and evening commutes, especially over higher
  passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$