Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

21°F

-6°C

Humidity 92%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 31 Dec 07:30 PM MST
Extended Forecast for

12 Miles W Marysville MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. West wind 14 to 16 mph.

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 29. West southwest wind 8 to 11 mph.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm.  Cloudy, with a low around 25. West southwest wind 13 to 17 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 50 percent chance of snow.  Cloudy, with a high near 30. West southwest wind 17 to 20 mph, with gusts as high as 29 mph.  New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around 27. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow.  Partly sunny, with a high near 30. Breezy.

    High: 30 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A chance of snow.  Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. West wind 14 to 16 mph.
New Year's Day
Partly sunny, with a high near 29. West southwest wind 8 to 11 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Cloudy, with a low around 25. West southwest wind 13 to 17 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of snow. Cloudy, with a high near 30. West southwest wind 17 to 20 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 26. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 32.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 27. Little or no snow accumulation expected.
Sunday
A chance of snow. Partly sunny, with a high near 30. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Monday
A chance of snow. Partly sunny, with a high near 27.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22. Breezy.
Tuesday
A chance of snow. Mostly cloudy, with a high near 25. Breezy.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 22. Windy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 25. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
2:20 pm MST Dec 31, 2025
7pm MST Dec 31, 2025-6pm MST Jan 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database