Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

33°F

1°C

Humidity 80%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 09 Dec 08:45 PM MST
Extended Forecast for

9 Miles SE Clinton MT

Winter Weather Advisory December 10, 12:00am until December 10, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Rain, possibly mixed with snow.  Snow level rising to 4600 feet. Low around 33. Calm wind becoming east southeast 5 to 7 mph after midnight.  Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

    Low: 33 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, mainly before 4pm.  High near 47. West southwest wind 6 to 14 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 43. West southwest wind around 11 mph, with gusts as high as 41 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: Rain.  High near 44. West southwest wind 10 to 13 mph, with gusts as high as 45 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain before 2am, then rain and snow.  Low around 39. West wind 5 to 11 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain and snow, becoming all rain after 2pm.  High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 36. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 8am, then a chance of rain and snow.  Snow level 5100 feet rising to 5800 feet in the afternoon. Partly sunny, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, possibly mixed with snow. Snow level rising to 4600 feet. Low around 33. Calm wind becoming east southeast 5 to 7 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Rain, mainly before 4pm. High near 47. West southwest wind 6 to 14 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 43. West southwest wind around 11 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 44. West southwest wind 10 to 13 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain before 2am, then rain and snow. Low around 39. West wind 5 to 11 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Rain and snow, becoming all rain after 2pm. High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 8am, then a chance of rain and snow. Snow level 5100 feet rising to 5800 feet in the afternoon. Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow before 2pm, then a chance of rain. Partly sunny, with a high near 46.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33.
Monday
A chance of rain. Partly sunny, with a high near 47.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Clinton MT
 46.7°N 113.56°W (Elev. 4167 ft)
2:21 pm MST Dec 9, 2025
9pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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