Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

45°F

7°C

Humidity 42%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 12 Jan 08:00 PM MST
Extended Forecast for

12 Miles W Marysville MT

  • Tonight

    Tonight: A 10 percent chance of snow after 5am.  Mostly cloudy, with a low around 30. Windy, with a west wind 29 to 33 mph, with gusts as high as 39 mph.

    Low: 30 °F

    Windy. Mostly
    Cloudy then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow between 8am and 10am.  Mostly cloudy, with a high near 36. Breezy, with a west wind 20 to 26 mph, with gusts as high as 31 mph.

    High: 36 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. West wind 18 to 20 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 37. West southwest wind 17 to 21 mph, with gusts as high as 24 mph.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. Breezy, with a west southwest wind 20 to 22 mph.

    Low: 22 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 30. Windy, with a west wind 29 to 33 mph, with gusts as high as 39 mph.
Tuesday
A 20 percent chance of snow between 8am and 10am. Mostly cloudy, with a high near 36. Breezy, with a west wind 20 to 26 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 28. West wind 18 to 20 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 37. West southwest wind 17 to 21 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 22. Breezy, with a west southwest wind 20 to 22 mph.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Sunny, with a high near 28.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
1:01 pm MST Jan 12, 2026
8pm MST Jan 12, 2026-6pm MST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database