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

33°F

1°C

Humidity 100%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 07 Dec 10:02 PM MST
Extended Forecast for

6 Miles E 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
  • Tonight

    Tonight: A chance of rain and snow before midnight, then a chance of snow.  Mostly cloudy, with a low around 34. West southwest wind around 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 34 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Snow before 2pm, then rain, possibly mixed with snow.  High near 40. South southwest wind 15 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow then
    Rain/Snow

  • Monday Night

    Monday Night: Rain, possibly mixed with snow before 8pm, then rain between 8pm and 2am, then rain, possibly mixed with snow after 2am.  Snow level 5900 feet rising to 6600 feet. Low around 35. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow, becoming all snow after 8am.  Mostly cloudy, with a high near 39. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow.  Low around 33. South southwest wind around 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 33 °F

    Snow

  • Wednesday

    Wednesday: Snow before 8am, then rain and snow.  Snow level 5300 feet. High near 37. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely.  Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 34. West southwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Snow before 2pm, then rain, possibly mixed with snow. High near 40. South southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
Rain, possibly mixed with snow before 8pm, then rain between 8pm and 2am, then rain, possibly mixed with snow after 2am. Snow level 5900 feet rising to 6600 feet. Low around 35. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Rain likely, possibly mixed with snow, becoming all snow after 8am. Mostly cloudy, with a high near 39. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow. Low around 33. South southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow before 8am, then rain and snow. Snow level 5300 feet. High near 37. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 31.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
A chance of snow. Mostly cloudy, with a high near 35.
Friday Night
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 33.
Saturday
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a high near 38.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Sunday
A chance of snow. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E St. Regis MT
 47.31°N 114.96°W (Elev. 5161 ft)
1:01 pm MST Dec 7, 2025
10pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database