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 98%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 09 Dec 07:02 PM MST
Extended Forecast for

10 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 42. Breezy, with a west southwest wind around 29 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 42 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 39. Windy, with a southwest wind around 30 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain and
    Windy

  • Thursday

    Thursday: Rain.  Snow level 8000 feet lowering to 6200 feet in the afternoon . High near 40. Breezy, with a west southwest wind 21 to 29 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 40 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow.  Snow level 5800 feet. Low around 37. West southwest wind 10 to 17 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow, becoming all rain after 2pm.  Snow level 5700 feet rising to 6800 feet in the afternoon. High near 40. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Snow level 6700 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 35. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain and snow, mainly before 11am.  Snow level 5600 feet. Partly sunny, with a high near 38.

    High: 38 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow, mainly after 9pm. The snow could be heavy at times. Temperature rising to around 37 by 5am. South southwest wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Rain. High near 42. Breezy, with a west southwest wind around 29 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 39. Windy, with a southwest wind around 30 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday
Rain. Snow level 8000 feet lowering to 6200 feet in the afternoon . High near 40. Breezy, with a west southwest wind 21 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain and snow. Snow level 5800 feet. Low around 37. West southwest wind 10 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Rain and snow, becoming all rain after 2pm. Snow level 5700 feet rising to 6800 feet in the afternoon. High near 40. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A 50 percent chance of rain. Snow level 6700 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 35. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain and snow, mainly before 11am. Snow level 5600 feet. Partly sunny, with a high near 38.
Saturday Night
A slight chance of rain and snow after 11pm. Snow level 5600 feet. Mostly cloudy, with a low around 32.
Sunday
A chance of snow before 11am, then a chance of rain and snow. Snow level rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 38.
Sunday Night
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Snow level 5300 feet rising to 5900 feet in the afternoon. Mostly cloudy, with a high near 39.
Monday Night
Rain and snow. Snow level 6000 feet. Mostly cloudy, with a low around 34.
Tuesday
Rain and snow. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW St. Regis MT
 47.16°N 115.15°W (Elev. 5253 ft)
2:21 pm MST Dec 9, 2025
7pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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