High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

28°F

-2°C

Humidity 38%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Last update 25 Jan 04:45 PM MST
Extended Forecast for

5 Miles SSE Greenough MT

  • Tonight

    Tonight: Mostly clear, with a low around 13. West southwest wind 3 to 5 mph.

    Low: 13 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 31. West wind 3 to 6 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. West wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. West southwest wind 3 to 6 mph.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Light west wind.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 13. West southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 31. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 22. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 36. West southwest wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Light west wind.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
A slight chance of snow after 11am. Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Greenough MT
 46.84°N 113.4°W (Elev. 5863 ft)
2:06 pm MST Jan 25, 2026
5pm MST Jan 25, 2026-6pm MST Feb 1, 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