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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

39°F

4°C

Humidity 100%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 12 Nov 08:12 PM MST
Extended Forecast for

15 Miles W St Mary MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Light south wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37. Light southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Snow

  • Monday

    Monday: A chance of snow, mainly after 11am. Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Monday Night

    Monday Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Light south wind.
Friday
Partly sunny, with a high near 45. Calm wind.
Friday Night
Partly cloudy, with a low around 33. Calm wind.
Saturday
Mostly sunny, with a high near 37. Light southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 31. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 36.
Sunday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 31.
Monday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 34.
Monday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 32.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A slight chance of snow. Partly sunny, with a high near 31.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Thursday
A slight chance of snow. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles W St Mary MT
 48.75°N 113.76°W (Elev. 6198 ft)
Last Update:
1:01 pm MST Nov 12, 2026
Forecast Valid:
8pm MST Nov 12, 2026-6pm MST Nov 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation