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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

29°F

-2°C

Humidity 99%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 12 Nov 09:15 PM MST
Extended Forecast for

9 Miles NNE Garrison MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. South wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. South southeast wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 42. South southeast wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. West wind 6 to 8 mph becoming south after midnight.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of snow between 11am and 2pm, then a chance of rain and snow. Partly sunny, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. South wind 10 to 14 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 49. South wind 8 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 36. South southeast wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 42. South southeast wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 28. West wind 6 to 8 mph becoming south after midnight.
Sunday
Sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A slight chance of snow between 11am and 2pm, then a chance of rain and snow. Partly sunny, with a high near 41.
Monday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 36.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A chance of snow. Partly sunny, with a high near 35.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Garrison MT
 46.65°N 112.74°W (Elev. 6421 ft)
Last Update:
1:01 pm MST Nov 12, 2026
Forecast Valid:
9pm MST Nov 12, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation