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

Likelihood of HISTORIC Northern Rockies 3-5 day precipitation and snowmelt this week in some valleys and west slopes resulting in poor drainage ponding and stream flooding threats along with rockslides. Several feet of heavy snow above 8000 feet possible.

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Hazardous Weather Conditions

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

41°F

5°C

Humidity 85%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 08 Dec 01:31 PM MST
Extended Forecast for

6 Miles SSE Greenough MT

  • This Afternoon

    This Afternoon: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 38. West southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Tonight

    Tonight: Rain and snow, becoming all rain after 11pm. Snow level 6200 feet rising to 7100 feet after midnight. Low around 33. West southwest wind 13 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    then Rain

  • Tuesday

    Tuesday: Rain before 8am, then snow. Temperature falling to around 28 by 5pm. West wind 11 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F⇓

    Rain/Snow
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 29. South wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow. Snow level 6600 feet. High near 38. West southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Snow level 6300 feet. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow before 11am, then snow between 11am and 2pm, then rain and snow after 2pm. Snow level 6000 feet. High near 36. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 31.

    Low: 31 °F

    Snow Likely

  • Friday

    Friday: A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 38. West southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow, becoming all rain after 11pm. Snow level 6200 feet rising to 7100 feet after midnight. Low around 33. West southwest wind 13 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain before 8am, then snow. Temperature falling to around 28 by 5pm. West wind 11 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow. Low around 29. South wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Rain, possibly mixed with snow. Snow level 6600 feet. High near 38. West southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow. Snow level 6300 feet. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow before 11am, then snow between 11am and 2pm, then rain and snow after 2pm. Snow level 6000 feet. High near 36. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Cloudy, with a low around 31.
Friday
A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 38.
Friday Night
A slight chance of rain and snow before 8pm, then a slight chance of rain between 8pm and 11pm, then a slight chance of rain and snow after 11pm. Snow level 6400 feet. Mostly cloudy, with a low around 29.
Saturday
A slight chance of snow. Partly sunny, with a high near 35.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 29.
Sunday
A chance of snow. Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Greenough MT
 46.84°N 113.4°W (Elev. 5863 ft)
Last Update:
1:01 pm MST Dec 8, 2025
Forecast Valid:
1pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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