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

50°F

10°C

Humidity 59%
Wind Speed NA 6 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 11 Apr 06:10 PM MDT
Extended Forecast for

5 Miles WSW St Mary MT

  • Tonight

    Tonight: A chance of rain and snow showers before 5am, then a chance of snow showers. Mostly cloudy, with a low around 29. West wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow showers before 2pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 34. West wind around 11 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    High: 34 °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 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 37. Breezy, with a west southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 27. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 48 mph. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow
    and Breezy
    then Mostly
    Cloudy and
    Windy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Windy, with a west southwest wind 31 to 40 mph, with gusts as high as 65 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 24. Very windy, with a west southwest wind 38 to 45 mph, with gusts as high as 65 mph. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Slight Chance
    Snow and Very
    Windy then
    Chance Snow
    and Windy

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 28. Windy, with a west southwest wind 37 to 39 mph, with gusts as high as 55 mph.

    High: 28 °F

    Snow Likely
    and Windy

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 13. Windy.

    Low: 13 °F

    Snow Likely
    and Windy

Detailed Forecast

Tonight
A chance of rain and snow showers before 5am, then a chance of snow showers. Mostly cloudy, with a low around 29. West wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A chance of snow showers before 2pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 34. West wind around 11 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28. East northeast wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 37. Breezy, with a west southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 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 27. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 48 mph. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 31. Windy, with a west southwest wind 31 to 40 mph, with gusts as high as 65 mph.
Tuesday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 24. Very windy, with a west southwest wind 38 to 45 mph, with gusts as high as 65 mph. New snow accumulation of less than one inch possible.
Wednesday
Snow likely. Mostly cloudy, with a high near 28. Windy, with a west southwest wind 37 to 39 mph, with gusts as high as 55 mph.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 13. Windy.
Thursday
Snow likely, mainly before noon. Mostly cloudy, with a high near 23. Blustery.
Thursday Night
A chance of snow. Partly cloudy, with a low around 14.
Friday
A chance of snow. Mostly sunny, with a high near 29. Breezy.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 19. Breezy.
Saturday
A slight chance of snow. Mostly sunny, with a high near 36. 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:
5:02 pm MDT Apr 11, 2026
Forecast Valid:
7pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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