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

49°F

9°C

Humidity 22%
Wind Speed NA 7 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 09 Apr 03:10 PM MDT
Extended Forecast for

5 Miles WSW St Mary MT

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind 7 to 9 mph becoming south southwest after midnight.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Southwest wind 7 to 10 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. Southwest wind 7 to 9 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow showers before 9am, then a chance of rain showers. Partly sunny, with a high near 48. West wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 48 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. West wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 37. West wind around 14 mph becoming north in the afternoon. Winds could gust as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 27. North northeast wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 36. West wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 36 °F

    Snow Likely

  • Monday Night

    Monday Night: A chance of snow before midnight. Mostly cloudy, with a low around 28. Breezy.

    Low: 28 °F

    Breezy.
    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West wind 7 to 9 mph becoming south southwest after midnight.
Friday
Mostly sunny, with a high near 51. Southwest wind 7 to 10 mph.
Friday Night
Mostly cloudy, with a low around 34. Southwest wind 7 to 9 mph.
Saturday
A slight chance of rain and snow showers before 9am, then a chance of rain showers. Partly sunny, with a high near 48. West wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. West wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 37. West wind around 14 mph becoming north in the afternoon. Winds could gust as high as 25 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27. North northeast wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 36. West wind 11 to 17 mph, with gusts as high as 26 mph.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 28. Breezy.
Tuesday
Partly sunny, with a high near 33. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25. Very windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 29. Windy.
Wednesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 17. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 28. 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:
1:26 pm MDT Apr 9, 2026
Forecast Valid:
3pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation