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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

ST. MARY (SRYM8)

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

NA

47°F

8°C

Humidity 25%
Wind Speed SSW 10 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 01 Jan 02:11 PM MST
Extended Forecast for

7 Miles S St Mary MT

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 33. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 26 mph.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of snow before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 24. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 29. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 47 mph. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. Windy, with a west southwest wind 22 to 30 mph, with gusts as high as 40 mph.

    Low: 28 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 30. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 36 mph.

    High: 30 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 28. Windy, with a southwest wind 29 to 36 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    and Windy

  • Sunday

    Sunday: A 50 percent chance of snow. Partly sunny, with a high near 30. Windy, with a west southwest wind around 38 mph, with gusts as high as 50 mph. New snow accumulation of around an inch possible.

    High: 30 °F

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 23. Windy, with a west southwest wind 34 to 38 mph, with gusts as high as 48 mph.

    Low: 23 °F

    Chance Snow
    and Windy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 26. Windy.

    High: 26 °F

    Chance Snow
    and Windy

Detailed Forecast

New Year's Day
Partly sunny, with a high near 33. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 26 mph.
Tonight
A chance of snow before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 24. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 29. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 47 mph. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. Windy, with a west southwest wind 22 to 30 mph, with gusts as high as 40 mph.
Saturday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 30. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 36 mph.
Saturday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 28. Windy, with a southwest wind 29 to 36 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 30. Windy, with a west southwest wind around 38 mph, with gusts as high as 50 mph. New snow accumulation of around an inch possible.
Sunday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 23. Windy, with a west southwest wind 34 to 38 mph, with gusts as high as 48 mph.
Monday
A chance of snow. Mostly cloudy, with a high near 26. Windy.
Monday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 21. Windy.
Tuesday
A chance of snow. Mostly cloudy, with a high near 22. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20. Very windy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 22. Windy.
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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:
2:07 pm MST Jan 1, 2026
Forecast Valid:
2pm MST Jan 1, 2026-6pm MST Jan 7, 2026
 
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