Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

11°F

-12°C

Humidity 92%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Last update 25 Jan 08:00 AM MST
Extended Forecast for

12 Miles W Marysville MT

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 11. Wind chill values as low as -19. West wind 10 to 18 mph, with gusts as high as 23 mph.

    High: 11 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 9. Wind chill values as low as -11. Breezy, with a west southwest wind 22 to 25 mph.

    Low: 9 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 21. Wind chill values as low as -9. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 30 mph.

    High: 21 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Wind chill values as low as zero. Breezy, with a west wind around 24 mph, with gusts as high as 29 mph.

    Low: 17 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Breezy, with a west wind 20 to 23 mph, with gusts as high as 26 mph.

    High: 25 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27. Breezy.

    High: 27 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 11. Wind chill values as low as -19. West wind 10 to 18 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 9. Wind chill values as low as -11. Breezy, with a west southwest wind 22 to 25 mph.
Monday
Partly sunny, with a high near 21. Wind chill values as low as -9. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 17. Wind chill values as low as zero. Breezy, with a west wind around 24 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 25. Breezy, with a west wind 20 to 23 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 27. Breezy.
Thursday Night
Mostly cloudy, with a low around 21.
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 24. Breezy.
Saturday
A slight chance of snow. Partly sunny, with a high near 30. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
2:06 am MST Jan 25, 2026
8am MST Jan 25, 2026-6pm MST Jan 31, 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