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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

30°F

-1°C

Humidity 75%
Wind Speed NA 8 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 14 Feb 08:10 PM MST
Extended Forecast for

St Mary MT

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 29. Southwest wind 6 to 13 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow before 11am, then a chance of snow after noon. Partly sunny, with a high near 40. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 30. Southwest wind around 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 44. South southwest wind 6 to 9 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 21. South southwest wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. High near 29. North northwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 2. North wind 3 to 8 mph. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 14. Northwest wind 3 to 7 mph.

    High: 14 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 1.

    Low: 1 °F

    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 29. Southwest wind 6 to 13 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.
Sunday
A chance of snow before 11am, then a chance of snow after noon. Partly sunny, with a high near 40. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 30. Southwest wind around 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Washington's Birthday
A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 44. South southwest wind 6 to 9 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 21. South southwest wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Snow. High near 29. North northwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 2. North wind 3 to 8 mph. New snow accumulation of less than one inch possible.
Wednesday
A chance of snow. Mostly cloudy, with a high near 14. Northwest wind 3 to 7 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 1.
Thursday
A chance of snow. Partly sunny, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 13.
Friday
A chance of snow. Partly sunny, with a high near 27.
Friday Night
A chance of snow. Mostly cloudy, with a low around 13.
Saturday
A chance of snow. Partly sunny, with a high near 26.
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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:
4:52 pm MST Feb 14, 2026
Forecast Valid:
9pm MST Feb 14, 2026-6pm MST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation