Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies

A storm system moving eastward will bring widespread showers and thunderstorms over parts of the Northern Plains to the Southern Plains and Upper Great Lakes through Friday. Heavy snow will continue over parts of the Northern Rockies. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

37°F

3°C

Humidity 84%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 16 Oct 04:12 AM MDT
Extended Forecast for

16 Miles W St Mary MT

  • Today

    Today: Sunny, with a high near 45. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. South southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of rain showers before 7am, then a slight chance of rain and snow showers between 7am and 8am, then rain showers likely after 8am.  Snow level 4800 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before midnight.  Snow level 5500 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 27. West wind 5 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight.  Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers.  High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Showers

  • Sunday Night

    Sunday Night: Showers.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 44.

    High: 44 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 45. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 32. South southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Friday
A slight chance of rain showers before 7am, then a slight chance of rain and snow showers between 7am and 8am, then rain showers likely after 8am. Snow level 4800 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
Showers likely before midnight. Snow level 5500 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 27. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 47. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Mostly cloudy, with a low around 34.
Monday
Showers likely, mainly before noon. Mostly cloudy, with a high near 44.
Monday Night
A slight chance of showers. Snow level 4900 feet. Mostly cloudy, with a low around 33.
Tuesday
A chance of showers. Snow level 4700 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 44.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 32.
Wednesday
A slight chance of showers. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.75°N 113.79°W (Elev. 3799 ft)
3:30 am MDT Oct 16, 2025
4am MDT Oct 16, 2025-6pm MDT Oct 22, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database