Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

49°F

9°C

Humidity 54%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 14 Jan 01:45 PM MST
Extended Forecast for

12 Miles W Marysville MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 34. West wind around 18 mph, with gusts as high as 24 mph.

    High: 34 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Breezy, with a west wind 20 to 22 mph.

    Low: 24 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. West wind 16 to 21 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. West northwest wind 13 to 16 mph becoming north in the evening. Winds could gust as high as 20 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 21. North northeast wind 8 to 10 mph becoming west southwest in the morning.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 34. West wind around 18 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 24. Breezy, with a west wind 20 to 22 mph.
Thursday
Mostly sunny, with a high near 28. West wind 16 to 21 mph.
Thursday Night
Partly cloudy, with a low around 14. West northwest wind 13 to 16 mph becoming north in the evening. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 21. North northeast wind 8 to 10 mph becoming west southwest in the morning.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 28.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
1:02 pm MST Jan 14, 2026
2pm MST Jan 14, 2026-6pm MST Jan 20, 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