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

53°F

12°C

Humidity 27%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 09 Apr 08:00 PM MDT
Extended Forecast for

10 Miles SE Greenough MT

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northeast wind around 6 mph becoming east southeast after midnight.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of rain after 5pm. Snow level rising to 8900 feet in the afternoon. Mostly sunny, with a high near 62. Light and variable wind becoming east 5 to 7 mph in the afternoon.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Mostly cloudy, with a low around 41. East wind 5 to 13 mph becoming west northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. South southwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 38. West southwest wind 3 to 8 mph. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Snow level 6800 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain likely before 3am, then a chance of rain and snow. Snow level 7700 feet lowering to 6800 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Monday

    Monday: Rain and snow. Snow level 6400 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Northeast wind around 6 mph becoming east southeast after midnight.
Friday
A 20 percent chance of rain after 5pm. Snow level rising to 8900 feet in the afternoon. Mostly sunny, with a high near 62. Light and variable wind becoming east 5 to 7 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Mostly cloudy, with a low around 41. East wind 5 to 13 mph becoming west northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. South southwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 38. West southwest wind 3 to 8 mph. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Snow level 6800 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain likely before 3am, then a chance of rain and snow. Snow level 7700 feet lowering to 6800 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Rain and snow. Snow level 6400 feet. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 32.
Wednesday
Snow likely. Mostly cloudy, with a high near 41.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 27.
Thursday
A chance of snow. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Greenough MT
 46.81°N 113.3°W (Elev. 6047 ft)
Last Update:
2:00 pm MDT Apr 9, 2026
Forecast Valid:
8pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation