Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

10°F

-12°C

Humidity 60%
Wind Speed E 13 MPH
Barometer NA
Dewpoint -1°F (-18°C)
Visibility NA
Wind Chill-5°F (-21°C)
Last update 23 Jan 05:00 AM MST
Extended Forecast for

12 Miles W Marysville MT

  • Today

    Today: Partly sunny and cold, with a high near 2. Wind chill values as low as -30. Blustery, with a northeast wind 23 to 28 mph becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 2 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around -2. Wind chill values as low as -21. West wind 9 to 15 mph.

    Low: -2 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of snow.  Mostly cloudy and cold, with a high near 8. Wind chill values as low as -17. West northwest wind 14 to 16 mph, with gusts as high as 21 mph.  New snow accumulation of less than a half inch possible.

    High: 8 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 0. Wind chill values as low as -17. West northwest wind around 17 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 12. West southwest wind 16 to 18 mph, with gusts as high as 25 mph.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Breezy.

    Low: 11 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 21. Breezy.

    High: 21 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Breezy.

    Low: 17 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 23. Breezy.

    High: 23 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

Today
Partly sunny and cold, with a high near 2. Wind chill values as low as -30. Blustery, with a northeast wind 23 to 28 mph becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 47 mph.
Tonight
Increasing clouds, with a low around -2. Wind chill values as low as -21. West wind 9 to 15 mph.
Saturday
A 30 percent chance of snow. Mostly cloudy and cold, with a high near 8. Wind chill values as low as -17. West northwest wind 14 to 16 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 0. Wind chill values as low as -17. West northwest wind around 17 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 12. West southwest wind 16 to 18 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 11. Breezy.
Monday
Mostly sunny, with a high near 21. Breezy.
Monday Night
Mostly cloudy, with a low around 17. Breezy.
Tuesday
Partly sunny, with a high near 23. Breezy.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 25.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 18.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 23.
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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 23, 2026
5am MST Jan 23, 2026-6pm MST Jan 29, 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