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

28°F

-2°C

Humidity 99%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 12 Nov 09:30 PM MST
Extended Forecast for

12 Miles SSE Helmville MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. South wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47. South wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40. South southeast wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. West wind 6 to 8 mph becoming south after midnight.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41.

    High: 41 °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 after 11am. Partly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. South wind 10 to 13 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 47. South wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 35. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 40. South southeast wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 27. West wind 6 to 8 mph becoming south after midnight.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A slight chance of snow after 11am. Partly sunny, with a high near 38.
Monday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 33.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Partly sunny, with a high near 33.
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 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSE Helmville MT
 46.72°N 112.85°W (Elev. 6801 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

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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