National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

WEST GLACIER (WGRM8)

Lat: 48.51061°NLon: 113.99677°WElev: 3165.0ft.

NA

32°F

0°C

Humidity 100%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 05 Dec 06:12 PM MST
Extended Forecast for

16 Miles WSW St Mary MT

Winter Weather Advisory until December 6, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 6, 05:00pm

    NOW until 5:00pm Sat

    Winter Weather Advisory

  • Tonight

    Low: 19 °F

    Heavy Snow

  • Saturday

    Saturday: Snow, mainly after 9am. The snow could be heavy at times. Widespread dense freezing fog between 1pm and 2pm. High near 23. Southwest wind 13 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 23 °F

    Heavy Snow
    then Heavy
    Snow and
    Dense
    Freezing Fog

  • Saturday Night

    Saturday Night: Snow. Patchy blowing snow after 8pm. Low around 19. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 19 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow likely, mainly after 11am. Patchy blowing snow. Cloudy, with a high near 27. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow. Areas of blowing snow. Low around 23. Windy, with a west southwest wind 22 to 30 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: Snow. Areas of blowing snow. High near 30. Windy. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 30 °F

    Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Snow. Widespread blowing snow. Low around 22. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 22 °F

    Snow and
    Blowing Snow

  • Tuesday

    Tuesday: Snow. Widespread blowing snow, mainly before 8am. Mostly cloudy, with a high near 29. Windy.

    High: 29 °F

    Snow and
    Blowing Snow

Detailed Forecast

Tonight
Snow, mainly before 4am. The snow could be heavy at times. Low around 19. Southwest wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.
Saturday
Snow, mainly after 9am. The snow could be heavy at times. Widespread dense freezing fog between 1pm and 2pm. High near 23. Southwest wind 13 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow. Patchy blowing snow after 8pm. Low around 19. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow likely, mainly after 11am. Patchy blowing snow. Cloudy, with a high near 27. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. Areas of blowing snow. Low around 23. Windy, with a west southwest wind 22 to 30 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow. Areas of blowing snow. High near 30. Windy. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Snow. Widespread blowing snow. Low around 22. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday
Snow. Widespread blowing snow, mainly before 8am. Mostly cloudy, with a high near 29. Windy.
Tuesday Night
Snow. The snow could be heavy at times. Patchy blowing snow between 8pm and 11pm. Mostly cloudy, with a low around 22.
Wednesday
Snow. The snow could be heavy at times. Patchy blowing snow between 2pm and 4pm. Cloudy, with a high near 26.
Wednesday Night
Snow. The snow could be heavy at times. Patchy blowing snow. Cloudy, with a low around 15. Breezy.
Thursday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 19.
Thursday Night
Snow. Cloudy, with a low around 14.
Friday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 19.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW St Mary MT
 48.69°N 113.78°W (Elev. 8153 ft)
Last Update:
5:31 pm MST Dec 5, 2025
Forecast Valid:
6pm MST Dec 5, 2025-6pm MST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation