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

50°F

10°C

Humidity 41%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 09 Apr 10:30 AM MDT
Extended Forecast for

5 Miles SSE Greenough MT

  • Today

    Today: Sunny, with a high near 54. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. North northwest wind around 6 mph becoming southeast after midnight.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. Southeast wind around 6 mph becoming light and variable in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 42. North wind around 8 mph becoming east after midnight. Winds could gust as high as 18 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. East southeast wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 39. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Chance Rain
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain before midnight, then rain and snow likely. Snow level 7600 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow before 9am, then snow between 9am and noon, then rain and snow likely after noon. Snow level 6000 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 54. Calm wind becoming north northwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 35. North northwest wind around 6 mph becoming southeast after midnight.
Friday
Mostly sunny, with a high near 63. Southeast wind around 6 mph becoming light and variable in the afternoon.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 42. North wind around 8 mph becoming east after midnight. Winds could gust as high as 18 mph.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. East southeast wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 20 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 39. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52. 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 before midnight, then rain and snow likely. Snow level 7600 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 37.
Monday
Rain and snow before 9am, then snow between 9am and noon, then rain and snow likely after noon. Snow level 6000 feet. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A chance of snow. Mostly cloudy, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
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 am MDT Apr 9, 2026
Forecast Valid:
10am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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