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

Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

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

NA

26°F

-3°C

Humidity 88%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 31 Mar 10:11 PM MDT
Extended Forecast for

7 Miles S St Mary MT

Winter Weather Advisory April 2, 06:00am until April 3, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Southwest wind around 11 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 31. Southwest wind 11 to 15 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

    High: 31 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 21. East southeast wind 13 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 23. Blustery, with a north wind 14 to 22 mph, with gusts as high as 30 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 north northwest wind 16 to 23 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Snow and
    Blustery then
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 28. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. West southwest wind 17 to 20 mph, with gusts as high as 32 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 37 mph.

    High: 33 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 17. Southwest wind around 11 mph.
Wednesday
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 31. Southwest wind 11 to 15 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Wednesday Night
Snow. Low around 21. East southeast wind 13 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 23. Blustery, with a north wind 14 to 22 mph, with gusts as high as 30 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 north northwest wind 16 to 23 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 28. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 22. West southwest wind 17 to 20 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 33. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 37 mph.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A slight chance of snow after noon. Partly sunny, with a high near 37.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 25.
Monday
A slight chance of snow. Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 40. 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:
4:22 pm MDT Mar 31, 2026
Forecast Valid:
10pm MDT Mar 31, 2026-6pm MDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation