Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

23°F

-5°C

Humidity 43%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Last update 23 Jan 02:00 PM MST
Extended Forecast for

5 Miles SSE Greenough MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 14. Calm wind.

    High: 14 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Light west wind.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 20. West northwest wind 3 to 6 mph.

    High: 20 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Cloudy, then gradually becoming partly cloudy, with a low around 10. West wind around 6 mph.

    Low: 10 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Sunny, with a high near 23. Light west southwest wind.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 14. Calm wind.
Tonight
Partly cloudy, with a low around 7. Light west wind.
Saturday
Partly sunny, with a high near 20. West northwest wind 3 to 6 mph.
Saturday Night
A 20 percent chance of snow. Cloudy, then gradually becoming partly cloudy, with a low around 10. West wind around 6 mph.
Sunday
Sunny, with a high near 23. Light west southwest wind.
Sunday Night
Mostly clear, with a low around 14.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 36.
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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 23, 2026
2pm MST Jan 23, 2026-6pm MST Jan 29, 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