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

Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

NA

40°F

4°C

Humidity 57%
Wind Speed NA 16 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 07 Mar 09:10 AM MST
Extended Forecast for

St Mary MT

High Wind Warning until March 9, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until March 9, 12:00am

    NOW until 12:00am Mon

    High Wind Warning

  • Today

    High: 46 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 11pm, then a chance of rain after 3am. Areas of blowing dust after 11pm. Mostly cloudy, with a low around 40. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 65 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: Rain before 2pm, then rain, possibly mixed with snow. Patchy blowing dust. High near 46. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Breezy. Rain
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 8pm. Low around 22. West wind 9 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after 11am. Partly sunny, with a high near 31. West wind 10 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely

  • Monday Night

    Monday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. West southwest wind 7 to 13 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 31. West wind 8 to 15 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 20. West southwest wind 11 to 15 mph, with gusts as high as 32 mph.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Today
A chance of rain and snow before 11am, then a chance of rain after noon. Mostly cloudy, with a high near 46. Breezy, with a west southwest wind around 23 mph, with gusts as high as 47 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of rain before 11pm, then a chance of rain after 3am. Areas of blowing dust after 11pm. Mostly cloudy, with a low around 40. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 65 mph. Chance of precipitation is 30%.
Sunday
Rain before 2pm, then rain, possibly mixed with snow. Patchy blowing dust. High near 46. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow, becoming all snow after 8pm. Low around 22. West wind 9 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly after 11am. Partly sunny, with a high near 31. West wind 10 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. West southwest wind 7 to 13 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 31. West wind 8 to 15 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20. West southwest wind 11 to 15 mph, with gusts as high as 32 mph.
Wednesday
A chance of snow. Mostly cloudy, with a high near 37.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 30. Breezy.
Thursday
Snow. Mostly cloudy, with a high near 41. Breezy.
Thursday Night
Snow. Cloudy, with a low around 20.
Friday
Snow. Mostly cloudy, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
2:42 am MST Mar 7, 2026
Forecast Valid:
9am MST Mar 7, 2026-6pm MDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation