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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

33°F

1°C

Humidity 60%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 09 Jan 09:00 PM MST
Extended Forecast for

7 Miles W Garrison MT

  • Tonight

    Tonight: Partly cloudy, with a low around 20. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39. Light southeast wind.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. Light south wind.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41. Calm wind.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Light southwest wind.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain, mixing with snow after 8am, then gradually ending. Mostly cloudy, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.
Saturday
Partly sunny, with a high near 39. Light southeast wind.
Saturday Night
Partly cloudy, with a low around 20. Light south wind.
Sunday
Mostly sunny, with a high near 41. Calm wind.
Sunday Night
Mostly cloudy, with a low around 24. Light southwest wind.
Monday
Partly sunny, with a high near 47.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 35.
Tuesday
A slight chance of rain, mixing with snow after 8am, then gradually ending. Mostly cloudy, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Garrison MT
 46.54°N 112.97°W (Elev. 4596 ft)
Last Update:
1:01 pm MST Jan 9, 2026
Forecast Valid:
9pm MST Jan 9, 2026-6pm MST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation