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

Hazardous Weather Conditions

Current conditions at

MANY GLACIER (MANM8)

Lat: 48.79698°NLon: 113.6705°WElev: 4900.0ft.

NA

27°F

-3°C

Humidity 80%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 29 Mar 01:00 AM MDT
Extended Forecast for

11 Miles WNW St Mary MT

Winter Weather Advisory March 29, 08:00pm until March 30, 10:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a low around 32. Southwest wind 15 to 17 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly after noon. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Breezy.
    Chance Snow
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 3am. The snow could be heavy at times. Mostly cloudy, with a low around 23. Southwest wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 5 to 9 inches possible.

    Low: 23 °F

    Heavy Snow

  • Monday

    Monday: Snow. High near 28. West southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 28 °F

    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 10. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. New snow accumulation of less than one inch possible.

    Low: 10 °F

    Chance Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then snow likely. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 32. Southwest wind 15 to 17 mph, with gusts as high as 24 mph.
Sunday
Snow likely, mainly after noon. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely, mainly before 3am. The snow could be heavy at times. Mostly cloudy, with a low around 23. Southwest wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 5 to 9 inches possible.
Monday
Snow. High near 28. West southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 10. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 35. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 22. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of rain and snow before midnight, then snow likely. Mostly cloudy, with a low around 27.
Thursday
Snow. Cloudy, with a high near 34.
Thursday Night
Snow likely. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Partly sunny, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26.
Saturday
A slight chance of snow. Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW St Mary MT
 48.78°N 113.67°W (Elev. 5000 ft)
Last Update:
12:31 am MDT Mar 29, 2026
Forecast Valid:
2am MDT Mar 29, 2026-6pm MDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation