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

Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

7°F

-14°C

Humidity 84%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Last update 29 Nov 05:30 AM MST
Extended Forecast for

4 Miles NW Garrison MT

  • Today

    Today: Increasing clouds, with a high near 24. Wind chill values as low as zero. Calm wind.

    High: 24 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Calm wind.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Wind chill values as low as zero. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 30. West wind 3 to 5 mph.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before 11am. Partly sunny, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 24. Wind chill values as low as zero. Calm wind.
Tonight
Mostly cloudy, with a low around 6. Calm wind.
Sunday
Mostly sunny, with a high near 27. Calm wind.
Sunday Night
Partly cloudy, with a low around 7. Wind chill values as low as zero. Calm wind.
Monday
Partly sunny, with a high near 30. West wind 3 to 5 mph.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 15.
Wednesday
A slight chance of snow before 11am. Partly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
A chance of snow. Mostly cloudy, with a high near 34.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of rain and snow. Snow level rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Garrison MT
 46.57°N 112.88°W (Elev. 4626 ft)
Last Update:
1:01 am MST Nov 29, 2025
Forecast Valid:
5am MST Nov 29, 2025-6pm MST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation