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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

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

NA

35°F

2°C

Humidity 91%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 26 Dec 01:11 PM MST
Extended Forecast for

7 Miles S St Mary MT

Winter Weather Advisory until December 27, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 27, 02:00pm

    NOW until 2:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 24 °F

    Heavy Snow
    and Windy

  • Tonight

    Tonight: Snow. Low around -7. Wind chill values as low as -15. Windy, with a west southwest wind 24 to 32 mph becoming northwest after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: -7 °F

    Snow and
    Windy

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy and cold, with a temperature falling to around -13 by 1pm. Wind chill values as low as -40. Blustery, with a north wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 2 °F⇓

    Snow Likely
    and Blustery
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -10. Wind chill values as low as -25. West southwest wind 8 to 16 mph, with gusts as high as 23 mph.

    Low: -10 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 8. Breezy, with a west southwest wind 22 to 28 mph, with gusts as high as 34 mph.

    High: 8 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 6. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 41 mph.

    Low: 6 °F

    Mostly Cloudy
    and Windy

  • Monday

    Monday: Mostly cloudy, with a high near 16. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 41 mph.

    High: 16 °F

    Mostly Cloudy
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Windy, with a west southwest wind 33 to 36 mph, with gusts as high as 40 mph.

    Low: 15 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 24. Windy, with a southwest wind 28 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow. Low around -7. Wind chill values as low as -15. Windy, with a west southwest wind 24 to 32 mph becoming northwest after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow likely, mainly before 11am. Mostly cloudy and cold, with a temperature falling to around -13 by 1pm. Wind chill values as low as -40. Blustery, with a north wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Partly cloudy, with a low around -10. Wind chill values as low as -25. West southwest wind 8 to 16 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 8. Breezy, with a west southwest wind 22 to 28 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 6. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 41 mph.
Monday
Mostly cloudy, with a high near 16. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 41 mph.
Monday Night
Mostly cloudy, with a low around 15. Windy, with a west southwest wind 33 to 36 mph, with gusts as high as 40 mph.
Tuesday
Mostly cloudy, with a high near 21. Windy.
Tuesday Night
Mostly cloudy, with a low around 16. Breezy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 20. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 14. Breezy.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 20. Breezy.
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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:
9:32 am MST Dec 26, 2025
Forecast Valid:
1pm MST Dec 26, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation