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

28°F

-2°C

Humidity 99%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 12 Nov 09:45 PM MST
Extended Forecast for

3 Miles NNW Garrison MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Southeast wind around 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57. East wind around 8 mph becoming south in the afternoon.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. South southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain after 11am.  Snow level 5100 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am.  Snow level 6300 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Southeast wind around 8 mph.
Friday
Partly sunny, with a high near 57. East wind around 8 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 31. South southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 47. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 25. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 27.
Monday
A slight chance of rain after 11am. Snow level 5100 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 45.
Monday Night
A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Snow level 6300 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 26.
Tuesday
A slight chance of snow before 11am, then a chance of rain and snow. Snow level 4600 feet rising to 5300 feet in the afternoon. Mostly cloudy, with a high near 39.
Tuesday Night
A chance of rain and snow. Snow level 5200 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 39.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Thursday
A chance of snow. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Garrison MT
 46.55°N 112.84°W (Elev. 4567 ft)
1:01 pm MST Nov 12, 2026
10pm MST Nov 12, 2026-6pm MST Nov 19, 2026
 
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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