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

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

NA

32°F

0°C

Humidity 97%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 12 Nov 09:15 PM MST
Extended Forecast for

5 Miles SSE Greenough MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind 3 to 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. South southeast wind around 6 mph becoming calm in the morning.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Calm wind becoming east southeast 5 to 7 mph in the evening.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41. East southeast wind around 5 mph becoming light and variable.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of snow after 11am. Mostly cloudy, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. South wind 3 to 6 mph.
Friday
Partly sunny, with a high near 49. South southeast wind around 6 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 36. Calm wind becoming east southeast 5 to 7 mph in the evening.
Saturday
Partly sunny, with a high near 41. East southeast wind around 5 mph becoming light and variable.
Saturday Night
Partly cloudy, with a low around 29. Light and variable wind.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 31.
Monday
A slight chance of snow after 11am. Mostly cloudy, with a high near 39.
Monday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 30.
Tuesday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 34.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 28.
Wednesday
A slight chance of snow. Partly sunny, with a high near 35.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Thursday
A chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Greenough MT
 46.84°N 113.4°W (Elev. 5863 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

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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