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

ST. REGIS (STGM8)

Lat: 47.30711°NLon: 115.10761°WElev: 2678.0ft.

NA

31°F

-1°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 09 Dec 10:02 PM MST
Extended Forecast for

11 Miles SSW St. Regis 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: 30 °F

    Heavy Snow

  • Wednesday

    Wednesday: Rain.  High near 40. Breezy, with a west southwest wind around 29 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 40 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 36. Windy, with a southwest wind around 31 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 36 °F

    Rain and
    Windy

  • Thursday

    Thursday: Rain before 8am, then rain, possibly mixed with snow between 8am and 5pm, then snow after 5pm.  Snow level 8000 feet lowering to 6200 feet in the afternoon . High near 39. Breezy, with a west southwest wind 21 to 29 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow before 8pm, then rain, possibly mixed with snow between 8pm and 11pm, then snow after 11pm.  Low around 36. West southwest wind 13 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow before 2pm, then rain likely.  Snow level rising to 6800 feet in the afternoon. High near 37. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 37 °F

    Snow then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain before 11pm, then a chance of rain and snow.  Snow level 6700 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow, mainly before 11am.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Temperature rising to around 36 by 5am. West southwest wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Rain. High near 40. Breezy, with a west southwest wind around 29 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 36. Windy, with a southwest wind around 31 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain before 8am, then rain, possibly mixed with snow between 8am and 5pm, then snow after 5pm. Snow level 8000 feet lowering to 6200 feet in the afternoon . High near 39. Breezy, with a west southwest wind 21 to 29 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
Snow before 8pm, then rain, possibly mixed with snow between 8pm and 11pm, then snow after 11pm. Low around 36. West southwest wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Snow before 2pm, then rain likely. Snow level rising to 6800 feet in the afternoon. High near 37. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 11pm, then a chance of rain and snow. Snow level 6700 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 35.
Saturday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 31.
Sunday
A chance of snow. Mostly cloudy, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 31.
Monday
A chance of snow. Mostly cloudy, with a high near 36.
Monday Night
Rain and snow. Snow level 6000 feet. Mostly cloudy, with a low around 33.
Tuesday
Snow. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW St. Regis MT
 47.16°N 115.18°W (Elev. 5935 ft)
2:21 pm MST Dec 9, 2025
11pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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