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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

ST. MARY (SRYM8)

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

NA

36°F

2°C

Humidity 51%
Wind Speed S 16 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 13 Feb 01:11 AM MST
Extended Forecast for

7 Miles S St Mary MT

  • Overnight

    Overnight: Partly cloudy, with a low around 21. Windy, with a west southwest wind 36 to 39 mph, with gusts as high as 46 mph.

    Low: 21 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly cloudy, with a high near 24. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 40 mph.

    High: 24 °F

    Mostly Cloudy
    and Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 26 to 29 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Snow likely, mainly before 11am. Partly sunny, with a high near 26. Windy, with a west southwest wind 29 to 32 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Snow Likely
    and Windy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 21. Windy, with a west southwest wind 21 to 31 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    and Windy

  • Sunday

    Sunday: A 50 percent chance of snow. Partly sunny, with a high near 24. Breezy, with a west southwest wind 20 to 29 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.

    High: 24 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 19. Windy, with a west southwest wind 23 to 30 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    and Windy

  • Washington's Birthday

    Washington's Birthday: A chance of snow, mainly after 11am. Partly sunny, with a high near 29. West southwest wind 18 to 21 mph, with gusts as high as 26 mph.

    High: 29 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. Windy, with a west southwest wind 36 to 39 mph, with gusts as high as 46 mph.
Friday
Mostly cloudy, with a high near 24. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 40 mph.
Friday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 26 to 29 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before 11am. Partly sunny, with a high near 26. Windy, with a west southwest wind 29 to 32 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21. Windy, with a west southwest wind 21 to 31 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 24. Breezy, with a west southwest wind 20 to 29 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19. Windy, with a west southwest wind 23 to 30 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Washington's Birthday
A chance of snow, mainly after 11am. Partly sunny, with a high near 29. West southwest wind 18 to 21 mph, with gusts as high as 26 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 13.
Tuesday
Snow. Mostly cloudy, with a high near 16.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 6.
Wednesday
Snow likely. Mostly cloudy, with a high near 17.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 10.
Thursday
Snow likely. Mostly cloudy, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S St Mary MT
 48.64°N 113.42°W (Elev. 7927 ft)
Last Update:
11:52 pm MST Feb 12, 2026
Forecast Valid:
1am MST Feb 13, 2026-6pm MST Feb 19, 2026
 
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