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

Fire Weather Concerns for the Plains; Thunderstorms in the Southeast; Record Warmth Spreads in the Southwest

Elevated to locally critical conditions will persist across the High Plains. Showers and scattered thunderstorms are expected over parts of the Southeast and Florida Peninsula. Clipper system will bring modest snowfall and strong winds from the Northern High Plains into the Upper Midwest this weekend. Record warmth will persist across the Southwest into the southern Plains. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

40°F

4°C

Humidity 35%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 26 Feb 09:30 PM MST
Extended Forecast for

12 Miles W Marysville MT

  • Tonight

    Tonight: Mostly clear, with a low around 22. Windy, with a west wind 39 to 44 mph, with gusts as high as 48 mph.

    Low: 22 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 30. Windy, with a west wind 38 to 43 mph, with gusts as high as 49 mph.

    High: 30 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 22. Windy, with a west wind 34 to 44 mph, with gusts as high as 49 mph.

    Low: 22 °F

    Slight Chance
    Snow and
    Windy

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 31. Breezy, with a west wind 20 to 29 mph, with gusts as high as 32 mph.

    High: 31 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. West southwest wind 14 to 18 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Windy, with a west wind 39 to 44 mph, with gusts as high as 48 mph.
Friday
Sunny, with a high near 30. Windy, with a west wind 38 to 43 mph, with gusts as high as 49 mph.
Friday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 22. Windy, with a west wind 34 to 44 mph, with gusts as high as 49 mph.
Saturday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 31. Breezy, with a west wind 20 to 29 mph, with gusts as high as 32 mph.
Saturday Night
Mostly cloudy, with a low around 20. West southwest wind 14 to 18 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A chance of snow. Mostly cloudy, with a high near 37.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 26.
Thursday
Snow likely. Mostly cloudy, with a high near 30. Breezy.
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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:
1:01 pm MST Feb 26, 2026
Forecast Valid:
9pm MST Feb 26, 2026-6pm MST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation