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

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

NA

22°F

-6°C

Humidity 85%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 30 Mar 08:11 PM MDT
Extended Forecast for

7 Miles S St Mary MT

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Wind chill values as low as -10. West northwest wind 14 to 16 mph becoming south after midnight.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Wind chill values as low as -10. South southeast wind 14 to 16 mph, with gusts as high as 22 mph.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. South southeast wind 13 to 16 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 31. Southwest wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 31 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 22. South southeast wind 15 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 23. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 23 °F

    Heavy Snow
    and Blustery

  • Thursday Night

    Thursday Night: Snow, mainly before midnight. Low around 17. Blustery, with a west wind 20 to 26 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Snow and
    Blustery then
    Chance Snow

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 27. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 31 mph.

    High: 27 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Wind chill values as low as -10. West northwest wind 14 to 16 mph becoming south after midnight.
Tuesday
Partly sunny, with a high near 27. Wind chill values as low as -10. South southeast wind 14 to 16 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 17. South southeast wind 13 to 16 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 31. Southwest wind 14 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Snow. Low around 22. South southeast wind 15 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 23. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday Night
Snow, mainly before midnight. Low around 17. Blustery, with a west wind 20 to 26 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
A chance of snow. Partly sunny, with a high near 27. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 31. Breezy.
Saturday Night
Partly cloudy, with a low around 24. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 31.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Monday
A chance of snow. Partly sunny, with a high near 34. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S St Mary MT
 48.64°N 113.42°W (Elev. 7927 ft)
Last Update:
8:17 pm MDT Mar 30, 2026
Forecast Valid:
9pm MDT Mar 30, 2026-6pm MDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation