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

Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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Hazardous Weather Conditions

Current conditions at

WEST GLACIER (WGRM8)

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

NA

37°F

3°C

Humidity 29%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 09 Mar 05:12 PM MDT
Extended Forecast for

16 Miles W St Mary MT

Winter Storm Watch March 11, 06:00pm until March 14, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: A 30 percent chance of snow. Mostly cloudy, with a high near 31. West southwest wind around 13 mph, with gusts as high as 29 mph. Total daytime snow accumulation of less than one inch possible.

    High: 31 °F

    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 17. Southwest wind 5 to 8 mph, with gusts as high as 21 mph. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly between noon and 3pm. Mostly cloudy, with a high near 30. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 18. South southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Slight Chance
    Snow then
    Snow Likely

  • Wednesday

    Wednesday: Snow. High near 35. West southwest wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow before 3am, then rain and snow. Low around 29. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 29 °F

    Snow then
    Rain/Snow

  • Thursday

    Thursday: Snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 38 °F

    Snow

  • Thursday Night

    Thursday Night: Rain and snow. Cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow before 9am, then snow between 9am and noon, then rain and snow after noon. The snow could be heavy at times. Cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Mostly cloudy, with a high near 31. West southwest wind around 13 mph, with gusts as high as 29 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 17. Southwest wind 5 to 8 mph, with gusts as high as 21 mph. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow likely, mainly between noon and 3pm. Mostly cloudy, with a high near 30. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 18. South southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Wednesday
Snow. High near 35. West southwest wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow before 3am, then rain and snow. Low around 29. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Rain and snow. Cloudy, with a low around 28.
Friday
Rain and snow before 9am, then snow between 9am and noon, then rain and snow after noon. The snow could be heavy at times. Cloudy, with a high near 37.
Friday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 20.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 30.
Saturday Night
Snow likely. Mostly cloudy, with a low around 13.
Sunday
A chance of snow. Mostly cloudy, with a high near 35.
Sunday Night
Snow likely. Mostly cloudy, with a low around 26.
Monday
Rain and snow likely. Mostly cloudy, with a high near 42.
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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. 3799 ft)
Last Update:
2:01 pm MDT Mar 9, 2026
Forecast Valid:
5pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation