National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

47°F

8°C

Humidity 56%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 13 Jan 10:30 AM MST
Extended Forecast for

12 Miles W Marysville MT

  • Today

    Today: Mostly cloudy, with a high near 36. Breezy, with a west wind 20 to 24 mph, with gusts as high as 30 mph.

    High: 36 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. West southwest wind 17 to 20 mph.

    Low: 29 °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 18 to 23 mph.

    Low: 22 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 31. West wind 13 to 18 mph.

    High: 31 °F

    Sunny

  • Thursday Night

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

    Low: 15 °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 17.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 36. Breezy, with a west wind 20 to 24 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 29. West southwest wind 17 to 20 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 18 to 23 mph.
Thursday
Sunny, with a high near 31. West wind 13 to 18 mph.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 29.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Sunny, with a high near 29.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
Last Update:
1:02 am MST Jan 13, 2026
Forecast Valid:
10am MST Jan 13, 2026-6pm MST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation