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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

NA

39°F

4°C

Humidity 55%
Wind Speed NA 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 11 Apr 09:10 AM MDT
Extended Forecast for

6 Miles W St Mary MT

  • Today

    Today: A chance of rain after noon, mixing with snow after 5pm. Partly sunny, with a high near 44. West southwest wind 10 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 3am, then a chance of snow showers. Mostly cloudy, with a low around 31. West southwest wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 37. West wind 9 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 28. East northeast wind 7 to 10 mph becoming west after midnight. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon. Partly sunny, with a high near 39. West southwest wind 9 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 30. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.

    Low: 30 °F

    Breezy.
    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Windy, with a west southwest wind 26 to 36 mph, with gusts as high as 60 mph.

    High: 32 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A chance of snow after midnight. Mostly cloudy, with a low around 26. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 60 mph.

    Low: 26 °F

    Windy. Mostly
    Cloudy then
    Chance Snow

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 30. Windy.

    High: 30 °F

    Snow Likely
    and Windy

Detailed Forecast

Today
A chance of rain after noon, mixing with snow after 5pm. Partly sunny, with a high near 44. West southwest wind 10 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers before 3am, then a chance of snow showers. Mostly cloudy, with a low around 31. West southwest wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 37. West wind 9 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28. East northeast wind 7 to 10 mph becoming west after midnight. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Partly sunny, with a high near 39. West southwest wind 9 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 30. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 32. Windy, with a west southwest wind 26 to 36 mph, with gusts as high as 60 mph.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 26. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 60 mph.
Wednesday
Snow likely. Mostly cloudy, with a high near 30. Windy.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. Windy.
Thursday
Snow likely. Mostly cloudy, with a high near 26.
Thursday Night
A chance of snow. Partly cloudy, with a low around 17.
Friday
A chance of snow. Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W St Mary MT
 48.75°N 113.57°W (Elev. 6909 ft)
Last Update:
3:27 am MDT Apr 11, 2026
Forecast Valid:
9am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation