Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

29°F

-2°C

Humidity 96%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 01 Mar 09:30 AM MST
Extended Forecast for

5 Miles SSE Greenough MT

  • Today

    Today: Mostly sunny, with a high near 45. Calm wind becoming west around 5 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Light southwest wind.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. West wind 3 to 5 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. West southwest wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Southwest wind 3 to 5 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow before 5pm, then snow, possibly mixed with rain.  High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 8pm.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 38.

    High: 38 °F

    Snow Likely

Detailed Forecast

Today
Mostly sunny, with a high near 45. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 30. Light southwest wind.
Monday
Mostly sunny, with a high near 46. West wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 29. West southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 48. Southwest wind 3 to 5 mph.
Tuesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 34.
Wednesday
Snow before 5pm, then snow, possibly mixed with rain. High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 32.
Thursday
Snow likely. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30.
Friday
A chance of snow. Partly sunny, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 30.
Saturday
A chance of snow. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Greenough MT
 46.84°N 113.4°W (Elev. 5863 ft)
1:11 am MST Mar 1, 2026
9am MST Mar 1, 2026-6pm MST Mar 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

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