Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

STILLWATER (STWM8)

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

NA

45°F

7°C

Humidity 58%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 09 Dec 02:00 PM MST
Extended Forecast for

21 Miles S 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

  • This Afternoon

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after 11pm. The snow could be heavy at times.  Temperature rising to around 30 by 4am. South southwest wind 7 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Chance Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow before 11am, then rain.  Snow level rising to 7000 feet in the afternoon. High near 39. West southwest wind 11 to 20 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 39 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 2am, then rain, possibly mixed with snow between 2am and 5am, then a slight chance of snow after 5am.  Snow level 7000 feet lowering to 6300 feet after midnight . Low around 35. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain and
    Breezy then
    Rain/Snow

  • Thursday

    Thursday: Snow before 8am, then rain and snow between 8am and 11am, then snow likely after 11am.  High near 36. West wind 11 to 17 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 28. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: Snow.  High near 34. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Snow Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 34. West southwest wind around 14 mph, with gusts as high as 25 mph.
Tonight
Snow, mainly after 11pm. The snow could be heavy at times. Temperature rising to around 30 by 4am. South southwest wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow before 11am, then rain. Snow level rising to 7000 feet in the afternoon. High near 39. West southwest wind 11 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday Night
Rain before 2am, then rain, possibly mixed with snow between 2am and 5am, then a slight chance of snow after 5am. Snow level 7000 feet lowering to 6300 feet after midnight . Low around 35. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow before 8am, then rain and snow between 8am and 11am, then snow likely after 11am. High near 36. West wind 11 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28. New snow accumulation of less than one inch possible.
Friday
Snow. High near 34. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 26.
Saturday
A chance of snow. Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 28.
Sunday
A chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 28.
Monday
A chance of snow. Mostly cloudy, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles S Fortine MT
 48.46°N 114.9°W (Elev. 5902 ft)
2:21 pm MST Dec 9, 2025
2pm MST Dec 9, 2025-6pm MST Dec 15, 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