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

Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Current conditions at

ST. MARY (SRYM8)

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

NA

26°F

-3°C

Humidity 67%
Wind Speed S 10 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 08 Jan 04:11 AM MST
Extended Forecast for

7 Miles S St Mary MT

  • Overnight

    Overnight: Snow likely, mainly after 5am. Widespread blowing snow. Mostly cloudy, with a low around 5. Wind chill values as low as -15. Breezy, with a southwest wind around 25 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 5 °F

    Snow Likely
    and Blowing
    Snow

  • Thursday

    Thursday: Snow likely, mainly between 2pm and 5pm. Widespread blowing snow. Partly sunny, with a high near 13. Wind chill values as low as -15. Windy, with a west southwest wind 28 to 37 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Snow Likely
    and Blowing
    Snow

  • Thursday Night

    Thursday Night: A 10 percent chance of snow before 7pm. Widespread blowing snow, mainly before 10pm. Mostly cloudy, with a low around 9. Wind chill values as low as -15. Windy, with a west wind 29 to 36 mph, with gusts as high as 45 mph.

    Low: 9 °F

    Slight Chance
    Snow and
    Blowing Snow

  • Friday

    Friday: A 20 percent chance of snow after 11am. Patchy blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -10. Windy, with a west southwest wind 28 to 34 mph, with gusts as high as 45 mph.

    High: 19 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. Windy, with a west southwest wind around 40 mph, with gusts as high as 49 mph.

    Low: 19 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Partly sunny, with a high near 25. Windy, with a west southwest wind 34 to 39 mph, with gusts as high as 46 mph.

    High: 25 °F

    Partly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Windy, with a west southwest wind 33 to 37 mph, with gusts as high as 45 mph.

    Low: 22 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Windy, with a west southwest wind around 41 mph, with gusts as high as 55 mph.

    High: 27 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. Very windy.

    Low: 25 °F

    Mostly Cloudy
    and Very
    Windy

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Widespread blowing snow. Mostly cloudy, with a low around 5. Wind chill values as low as -15. Breezy, with a southwest wind around 25 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday
Snow likely, mainly between 2pm and 5pm. Widespread blowing snow. Partly sunny, with a high near 13. Wind chill values as low as -15. Windy, with a west southwest wind 28 to 37 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 10 percent chance of snow before 7pm. Widespread blowing snow, mainly before 10pm. Mostly cloudy, with a low around 9. Wind chill values as low as -15. Windy, with a west wind 29 to 36 mph, with gusts as high as 45 mph.
Friday
A 20 percent chance of snow after 11am. Patchy blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -10. Windy, with a west southwest wind 28 to 34 mph, with gusts as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 19. Windy, with a west southwest wind around 40 mph, with gusts as high as 49 mph.
Saturday
Partly sunny, with a high near 25. Windy, with a west southwest wind 34 to 39 mph, with gusts as high as 46 mph.
Saturday Night
Mostly cloudy, with a low around 22. Windy, with a west southwest wind 33 to 37 mph, with gusts as high as 45 mph.
Sunday
Mostly sunny, with a high near 27. Windy, with a west southwest wind around 41 mph, with gusts as high as 55 mph.
Sunday Night
Mostly cloudy, with a low around 25. Very windy.
Monday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 31. Very windy.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 30. Very windy.
Tuesday
Mostly cloudy, with a high near 31. Windy.
Tuesday Night
Mostly cloudy, with a low around 30. Windy.
Wednesday
Partly sunny, with a high near 32. 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:
1:46 am MST Jan 8, 2026
Forecast Valid:
4am MST Jan 8, 2026-6pm MST Jan 14, 2026
 
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