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

55°F

13°C

Humidity 21%
Wind Speed NA 4 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 10 Apr 11:10 AM MDT
Extended Forecast for

5 Miles WSW St Mary MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 46. Southwest wind around 9 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. West southwest wind 7 to 9 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 44. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 44 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers before midnight, then a chance of rain between midnight and 3am, then a chance of rain and snow after 3am. Mostly cloudy, with a low around 30. West southwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 36. West wind around 11 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 28. North wind around 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 40. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: A chance of snow before midnight. Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 44 mph.

    Low: 29 °F

    Breezy.
    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Windy.

    High: 31 °F

    Partly Sunny
    and Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 46. Southwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 33. West southwest wind 7 to 9 mph.
Saturday
A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 44. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
A chance of rain showers before midnight, then a chance of rain between midnight and 3am, then a chance of rain and snow after 3am. Mostly cloudy, with a low around 30. West southwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 36. West wind around 11 mph, with gusts 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. North wind around 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 40. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 44 mph.
Tuesday
Partly sunny, with a high near 31. Windy.
Tuesday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 31. Windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 17. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW St Mary MT
 48.73°N 113.53°W (Elev. 6778 ft)
Last Update:
12:01 pm MDT Apr 10, 2026
Forecast Valid:
12pm MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation