National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

42°F

6°C

Humidity 49%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 03 Apr 09:00 PM MDT
Extended Forecast for

5 Miles SSE Greenough MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. West southwest wind 5 to 7 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. West wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Southeast wind around 5 mph becoming light and variable in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. North wind around 6 mph becoming east after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 9pm, then a chance of snow. Partly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 51. West wind 5 to 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 34. West wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 57. Southeast wind around 5 mph becoming light and variable in the afternoon.
Sunday Night
Mostly cloudy, with a low around 35. North wind around 6 mph becoming east after midnight.
Monday
Partly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
A slight chance of rain and snow before 9pm, then a chance of snow. Partly cloudy, with a low around 30.
Wednesday
A chance of snow. Partly sunny, with a high near 43.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 26.
Thursday
A chance of snow. Partly sunny, with a high near 43.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Friday
A slight chance of snow. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Greenough MT
 46.84°N 113.4°W (Elev. 5863 ft)
Last Update:
2:01 pm MDT Apr 3, 2026
Forecast Valid:
9pm MDT Apr 3, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation