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

Hazardous Weather Conditions

Current conditions at

WEST GLACIER (WGRM8)

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

NA

65°F

18°C

Humidity 42%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 03 Oct 03:12 PM MDT
Extended Forecast for

16 Miles WSW St Mary MT

Winter Storm Warning October 5, 12:00am until October 5, 12:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: A 20 percent chance of snow after 5am. Increasing clouds, with a low around 28. South southwest wind 6 to 11 mph.

    Low: 28 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely after 7am. Mostly cloudy, with a high near 37. West northwest wind around 6 mph becoming northeast in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow. Low around 20. Blustery, with a west wind 6 to 11 mph becoming north northeast 18 to 23 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow and
    Blustery

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 28. North northeast wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Southwest wind 5 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Widespread frost between 9am and 11am. Otherwise, sunny, with a high near 36.

    High: 36 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of snow after 5am. Increasing clouds, with a low around 28. South southwest wind 6 to 11 mph.
Saturday
Snow likely after 7am. Mostly cloudy, with a high near 37. West northwest wind around 6 mph becoming northeast in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. Low around 20. Blustery, with a west wind 6 to 11 mph becoming north northeast 18 to 23 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 28. North northeast wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 25. Southwest wind 5 to 8 mph.
Monday
Widespread frost between 9am and 11am. Otherwise, sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Sunny, with a high near 44.
Wednesday Night
A chance of snow. Partly cloudy, with a low around 34.
Thursday
A chance of snow. Partly sunny, with a high near 41.
Thursday Night
A chance of snow. Partly cloudy, with a low around 34.
Friday
A chance of snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW St Mary MT
 48.69°N 113.78°W (Elev. 8151 ft)
Last Update:
2:31 pm MDT Oct 3, 2025
Forecast Valid:
4pm MDT Oct 3, 2025-6pm MDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation