High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

13°F

-11°C

Humidity 70%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Last update 25 Jan 07:15 PM MST
Extended Forecast for

12 Miles W Marysville MT

  • Tonight

    Tonight: Mostly clear, with a low around 7. Wind chill values as low as -12. Breezy, with a west wind 22 to 25 mph.

    Low: 7 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Increasing clouds, with a high near 20. Wind chill values as low as -10. Breezy, with a west wind 22 to 24 mph, with gusts as high as 30 mph.

    High: 20 °F

    Increasing
    Clouds and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind around 25 mph, with gusts as high as 30 mph.

    Low: 16 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Wind chill values as low as -1. Breezy, with a west southwest wind 20 to 24 mph.

    High: 25 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. West southwest wind around 18 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 26. Breezy.

    High: 26 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 7. Wind chill values as low as -12. Breezy, with a west wind 22 to 25 mph.
Monday
Increasing clouds, with a high near 20. Wind chill values as low as -10. Breezy, with a west wind 22 to 24 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind around 25 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 25. Wind chill values as low as -1. Breezy, with a west southwest wind 20 to 24 mph.
Tuesday Night
Mostly cloudy, with a low around 19. West southwest wind around 18 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 20. Breezy.
Thursday
Partly sunny, with a high near 26. Breezy.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
A slight chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 25. Breezy.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 32. Breezy.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A slight chance of snow. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
2:06 pm MST Jan 25, 2026
7pm MST Jan 25, 2026-6pm MST Feb 1, 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