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

35°F

2°C

Humidity 81%
Wind Speed NA 6 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 12 Apr 06:10 AM MDT
Extended Forecast for

5 Miles WSW St Mary MT

  • Today

    Today: A chance of snow before 1pm, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 34. Northwest wind around 10 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: A 20 percent chance of snow between 2am and 3am. Mostly cloudy, with a low around 26. East wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 38. West southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Little or no snow accumulation expected.

    High: 38 °F

    Slight Chance
    Snow then
    Chance Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 28. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Breezy.
    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Windy, with a west southwest wind 30 to 39 mph, with gusts as high as 60 mph.

    High: 31 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Windy, with a west southwest wind 31 to 37 mph, with gusts as high as 60 mph. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Windy. Slight
    Chance Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 29. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Likely
    and Windy

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 15. Windy, with a west southwest wind 38 to 43 mph decreasing to 29 to 34 mph after midnight. Winds could gust as high as 55 mph.

    Low: 15 °F

    Chance Snow
    and Windy

  • Thursday

    Thursday: Snow likely, mainly before noon. Mostly cloudy, with a high near 24. Blustery.

    High: 24 °F

    Snow Likely
    and Blustery

Detailed Forecast

Today
A chance of snow before 1pm, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 34. Northwest wind around 10 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow between 2am and 3am. Mostly cloudy, with a low around 26. East wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.
Monday
A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 38. West southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 28. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 31. Windy, with a west southwest wind 30 to 39 mph, with gusts as high as 60 mph.
Tuesday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Windy, with a west southwest wind 31 to 37 mph, with gusts as high as 60 mph. New snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 29. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 15. Windy, with a west southwest wind 38 to 43 mph decreasing to 29 to 34 mph after midnight. Winds could gust as high as 55 mph.
Thursday
Snow likely, mainly before noon. Mostly cloudy, with a high near 24. Blustery.
Thursday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 16.
Friday
A chance of snow. Mostly sunny, with a high near 31. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 20. Breezy.
Saturday
A slight chance of snow. Mostly sunny, with a high near 34. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW St Mary MT
 48.73°N 113.53°W (Elev. 6778 ft)
Last Update:
3:26 am MDT Apr 12, 2026
Forecast Valid:
6am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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