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

42°F

6°C

Humidity 98%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 03 Oct 11:12 PM MDT
Extended Forecast for

16 Miles W 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 rain after 5am. Increasing clouds, with a low around 40. South wind around 6 mph becoming calm after midnight.

    Low: 40 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly after 9am. Mostly cloudy, with a high near 53. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain before midnight, then snow. Low around 31. Light and variable wind becoming north northeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain then
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 48. North northeast wind 3 to 8 mph. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance Snow
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Light southwest wind.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Widespread frost between 7am and 9am. Otherwise, sunny, with a high near 55.

    High: 55 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 5am. Increasing clouds, with a low around 40. South wind around 6 mph becoming calm after midnight.
Saturday
Rain likely, mainly after 9am. Mostly cloudy, with a high near 53. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain before midnight, then snow. Low around 31. Light and variable wind becoming north northeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Sunday
A 40 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 48. North northeast wind 3 to 8 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 29. Light southwest wind.
Monday
Widespread frost between 7am and 9am. Otherwise, sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 64.
Wednesday Night
A chance of rain and snow. Snow level 7900 feet lowering to 7300 feet after midnight . Partly cloudy, with a low around 38.
Thursday
A chance of rain and snow. Partly sunny, with a high near 61.
Thursday Night
A chance of rain and snow. Snow level 7400 feet. Partly cloudy, with a low around 38.
Friday
A chance of rain and snow. Snow level rising to 7700 feet in the afternoon. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.75°N 113.79°W (Elev. 7348 ft)
Last Update:
2:31 pm MDT Oct 3, 2025
Forecast Valid:
11pm MDT Oct 3, 2025-6pm MDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation