Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

18°F

-8°C

Humidity 48%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 1°F (-17°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 27 Dec 08:31 PM MST
Extended Forecast for

6 Miles SSW Drummond MT

  • Tonight

    Tonight: Partly cloudy, with a low around 0. West wind around 6 mph becoming calm  in the evening.

    Low: 0 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 27. Calm wind.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 2. Calm wind.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 8pm.  Otherwise, mostly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 39.

    High: 39 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 0. West wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 27. Calm wind.
Sunday Night
Mostly clear, with a low around 2. Calm wind.
Monday
Mostly sunny, with a high near 34. Calm wind.
Monday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 16. Calm wind.
Tuesday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 22.
New Year's Day
Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a high near 42.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 22.
Saturday
A slight chance of snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Drummond MT
 46.59°N 113.19°W (Elev. 4177 ft)
1:02 pm MST Dec 27, 2025
8pm MST Dec 27, 2025-6pm MST Jan 3, 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