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.

unknown precip

41°F

5°C

Humidity 78%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 09 Mar 04:00 AM MDT
Extended Forecast for

7 Miles S Greenough MT

  • Overnight

    Overnight: A 50 percent chance of snow. Mostly cloudy, with a low around 28. West wind around 14 mph, with gusts as high as 36 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: A chance of snow before 8am, then a chance of snow after 10am. Partly sunny, with a high near 34. West wind 13 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Monday Night

    Monday Night: A slight chance of snow before 7pm, then a slight chance of snow after 5am. Partly cloudy, with a low around 21. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Snow. High near 31. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow before midnight, then rain and snow. Low around 35. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Snow then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow. Snow level 5300 feet. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow. Cloudy, with a low around 36.

    Low: 36 °F

    Rain/Snow

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 28. West wind around 14 mph, with gusts as high as 36 mph. Total nighttime snow accumulation of less than a half inch possible.
Monday
A chance of snow before 8am, then a chance of snow after 10am. Partly sunny, with a high near 34. West wind 13 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of snow before 7pm, then a slight chance of snow after 5am. Partly cloudy, with a low around 21. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Tuesday
Snow. High near 31. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
Partly cloudy, with a low around 19. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow before midnight, then rain and snow. Low around 35. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow. Snow level 5300 feet. Cloudy, with a high near 41.
Thursday Night
Rain and snow. Cloudy, with a low around 36.
Friday
Rain and snow, becoming all rain after noon. Cloudy, with a high near 42.
Friday Night
Rain and snow. Snow level 5200 feet. Cloudy, with a low around 36.
Saturday
Rain and snow. Cloudy, with a high near 42.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 24.
Sunday
Snow likely. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Greenough MT
 46.82°N 113.45°W (Elev. 4974 ft)
Last Update:
2:01 am MDT Mar 9, 2026
Forecast Valid:
4am MDT Mar 9, 2026-6pm MDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation