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

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: 34 °F

    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Rain. High near 48. East southeast wind 6 to 11 mph becoming west southwest in the morning. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 43. Southwest wind around 11 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Rain. High near 47. West southwest wind 9 to 14 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 41. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain

  • Friday

    Friday: Rain and snow, becoming all rain after 11am. High near 48. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    then Rain
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 11am, then a slight chance of rain and snow. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, possibly mixed with snow, becoming all rain after 3am. Snow level 4100 feet. Low around 34. Light east southeast wind becoming southeast 8 to 13 mph after midnight. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain. High near 48. East southeast wind 6 to 11 mph becoming west southwest in the morning. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 43. Southwest wind around 11 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 47. West southwest wind 9 to 14 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 41. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and snow, becoming all rain after 11am. High near 48. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 11am, then a slight chance of rain and snow. Mostly cloudy, with a high near 45.
Saturday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Mostly cloudy, with a high near 46.
Monday Night
Rain. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Superior MT
 47.19°N 114.9°W (Elev. 3238 ft)
Last Update:
2:21 pm MST Dec 9, 2025
Forecast Valid:
9pm 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