National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

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

12 Miles SSW Superior 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: 33 °F

    Snow then
    Rain/Snow

  • Wednesday

    Wednesday: Rain. High near 45. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 45 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain. Low around 41. Breezy, with a southwest wind around 24 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain. High near 43. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 43 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain before 8pm, then rain and snow. Low around 40. West southwest wind 9 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow, becoming all rain after 2pm. High near 43. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain and snow. Snow level 5600 feet. Partly sunny, with a high near 41.

    High: 41 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow before 2am, then rain and snow. Low around 33. West southwest wind 6 to 14 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Rain. High near 45. Breezy, with a west southwest wind 22 to 25 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 41. Breezy, with a southwest wind around 24 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 43. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain before 8pm, then rain and snow. Low around 40. West southwest wind 9 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow, becoming all rain after 2pm. High near 43. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain and snow. Snow level 5600 feet. Partly sunny, with a high near 41.
Saturday Night
A slight chance of rain and snow after 11pm. Snow level 5600 feet. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Snow level 5000 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 42.
Sunday Night
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 34.
Monday
A chance of rain and snow. Snow level 5200 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 43.
Monday Night
Rain and snow. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow. Snow level 5500 feet lowering to 4900 feet in the afternoon . Cloudy, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Superior MT
 47.03°N 114.93°W (Elev. 4649 ft)
Last Update:
2:21 pm MST Dec 9, 2025
Forecast Valid:
7pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation