Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

ST. REGIS (STGM8)

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

NA

35°F

2°C

Humidity 100%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 07 Dec 04:02 PM MST
Extended Forecast for

11 Miles SSW St. Regis MT

Flood Watch December 8, 05:00pm until December 11, 05:00am
Wind Advisory December 8, 08:00pm until December 9, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  • This Afternoon

    This Afternoon: Snow. The snow could be heavy at times.  High near 32. Southwest wind around 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 1am. The snow could be heavy at times.  Patchy blowing snow. Low around 30. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 41 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow.  Patchy blowing snow. High near 36. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Snow before 8pm, then rain and snow.  Patchy blowing snow before 8pm. Snow level rising to 6600 feet. Low around 31. Breezy, with a southwest wind 21 to 29 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 31 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Snow.  Patchy blowing snow. High near 34. Windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 28. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 28 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 34. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 34 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 29.

    High: 29 °F

    Snow Likely

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 32. Southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow, mainly before 1am. The snow could be heavy at times. Patchy blowing snow. Low around 30. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow. Patchy blowing snow. High near 36. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Snow before 8pm, then rain and snow. Patchy blowing snow before 8pm. Snow level rising to 6600 feet. Low around 31. Breezy, with a southwest wind 21 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow. Patchy blowing snow. High near 34. Windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 28. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 34. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Snow. Mostly cloudy, with a low around 27.
Thursday
Snow likely. Mostly cloudy, with a high near 29.
Thursday Night
Snow likely. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Mostly cloudy, with a high near 32.
Friday Night
A chance of snow. Mostly cloudy, with a low around 31.
Saturday
A chance of snow. Mostly cloudy, with a high near 35.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 30.
Sunday
A chance of 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)
1:01 pm MST Dec 7, 2025
4pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

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