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

STILLWATER (STWM8)

Lat: 48.53944°NLon: 114.55944°WElev: 3116.0ft.

NA

28°F

-2°C

Humidity 100%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 09 Dec 06:00 PM MST
Extended Forecast for

6 Miles ESE Fortine MT

Flood Watch until December 11, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until December 11, 05:00pm

    NOW until 5:00pm Thu

    Flood Watch

  • Tonight

    Low: 23 °F

    Slight Chance
    Snow then
    Snow

  • Wednesday

    Wednesday: Snow before 2pm, then rain, possibly mixed with snow.  High near 36. South wind around 14 mph becoming west southwest in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all snow after 2am.  Low around 31. Southwest wind 15 to 18 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Snow.  High near 32. West wind 13 to 18 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Likely

  • Friday

    Friday: Snow.  High near 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 21. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow.  Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly after 1am. Low around 23. South southwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Snow before 2pm, then rain, possibly mixed with snow. High near 36. South wind around 14 mph becoming west southwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Rain, possibly mixed with snow, becoming all snow after 2am. Low around 31. Southwest wind 15 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 32. West wind 13 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday
A chance of snow. Mostly cloudy, with a high near 27.
Saturday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25.
Sunday
A chance of snow. Mostly cloudy, with a high near 28.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
Snow likely. Mostly cloudy, with a high near 32.
Monday Night
Snow. Mostly cloudy, with a low around 28.
Tuesday
Snow. Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Fortine MT
 48.74°N 114.77°W (Elev. 6283 ft)
2:21 pm MST Dec 9, 2025
7pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database