Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

unknown precip

44°F

7°C

Humidity 45%
Wind Speed NW 7 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 01 Feb 10:45 PM MST
Extended Forecast for

10 Miles SSE Greenough MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. West wind around 15 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. West wind around 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. West wind around 6 mph.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. West northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 29. West wind around 15 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 38. West wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 30. West wind around 8 mph.
Tuesday
Partly sunny, with a high near 41. West wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 29. West northwest wind around 5 mph becoming light and variable in the evening.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A chance of snow. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Greenough MT
 46.79°N 113.32°W (Elev. 6152 ft)
1:12 pm MST Feb 1, 2026
11pm MST Feb 1, 2026-6pm MST Feb 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database