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 >

Hazardous Weather Conditions

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

unknown precip

33°F

1°C

Humidity 99%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 28 Nov 09:31 AM MST
Extended Forecast for

8 Miles SE Greenough MT

Winter Storm Warning until November 28, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until November 28, 06:00pm

    NOW until 6:00pm Fri

    Winter Storm Warning

  • Today

    High: 26 °F⇓

    Heavy Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 4. Calm wind.

    Low: 4 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Increasing clouds, with a high near 20. Calm wind.

    High: 20 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 23. Calm wind.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 25.

    High: 25 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Snow Likely

Detailed Forecast

Today
Snow, mainly before 2pm. The snow could be heavy at times. Temperature rising to near 26 by noon, then falling to around 14 during the remainder of the day. East northeast wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 4. Calm wind.
Saturday
Increasing clouds, with a high near 20. Calm wind.
Saturday Night
Mostly cloudy, with a low around 8. Calm wind.
Sunday
Sunny, with a high near 23. Calm wind.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 25.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 20.
Tuesday
Snow. Mostly cloudy, with a high near 29.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 27.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Thursday
A chance of snow. Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Greenough MT
 46.83°N 113.33°W (Elev. 5689 ft)
Last Update:
1:02 am MST Nov 28, 2025
Forecast Valid:
9am MST Nov 28, 2025-6pm MST Dec 4, 2025
 
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