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 91%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 09 Mar 01:15 AM MDT
Extended Forecast for

6 Miles SE Greenough MT

  • Overnight

    Overnight: Rain and snow likely before 3am, then a chance of snow. Mostly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow before 8am, then a chance of snow after 10am. Partly sunny, with a high near 35. West wind 9 to 13 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow after 5am. Partly cloudy, with a low around 23. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 31 mph.

    Low: 23 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Snow. High near 32. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 25 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow. Snow level 4600 feet rising to 5400 feet after midnight. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Thursday

    Thursday: Rain before 9am, then rain and snow. Snow level 5300 feet. Cloudy, with a high near 42.

    High: 42 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow. Snow level 4900 feet. Cloudy, with a low around 36.

    Low: 36 °F

    Rain/Snow

Detailed Forecast

Overnight
Rain and snow likely before 3am, then a chance of snow. Mostly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. 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 35. West wind 9 to 13 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 20 percent chance of snow after 5am. Partly cloudy, with a low around 23. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 31 mph.
Tuesday
Snow. High near 32. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 20. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 25 mph.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow. Snow level 4600 feet rising to 5400 feet after midnight. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain before 9am, then rain and snow. Snow level 5300 feet. Cloudy, with a high near 42.
Thursday Night
Rain and snow. Snow level 4900 feet. Cloudy, with a low around 36.
Friday
Rain and snow, becoming all rain after noon. Snow level 4800 feet. Cloudy, with a high near 42.
Friday Night
Rain and snow. Snow level 5200 feet. Cloudy, with a low around 37.
Saturday
Rain and snow. Snow level 4800 feet. Cloudy, with a high near 43.
Saturday Night
Snow likely. Mostly cloudy, with a low around 26.
Sunday
Snow likely. Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Greenough MT
 46.87°N 113.34°W (Elev. 4600 ft)
Last Update:
12:21 am MDT Mar 9, 2026
Forecast Valid:
1am MDT Mar 9, 2026-6pm MDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation