Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

44°F

7°C

Humidity 55%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 05 Apr 10:45 PM MDT
Extended Forecast for

Greenough MT

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Light southwest wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 36 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. West wind 13 to 18 mph becoming light  after midnight. Winds could gust as high as 37 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

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

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Monday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 68. Calm wind.
Monday Night
Partly cloudy, with a low around 35. Calm wind.
Tuesday
Mostly sunny, with a high near 57. Light southwest wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 36 mph.
Tuesday Night
Partly cloudy, with a low around 27. West wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 37 mph.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 32.
Saturday
A chance of rain. Mostly sunny, with a high near 63.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenough MT
 46.92°N 113.45°W (Elev. 3783 ft)
2:01 pm MDT Apr 5, 2026
11pm MDT Apr 5, 2026-6pm MDT Apr 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database