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

34°F

1°C

Humidity 100%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 08 Dec 04:02 AM MST
Extended Forecast for

10 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
  • Overnight

    Overnight: A 50 percent chance of snow.  Cloudy, with a low around 32. Breezy, with a west southwest wind around 22 mph, with gusts as high as 39 mph.  Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 32 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow before 3pm, then rain and snow.  High near 38. Southwest wind 17 to 21 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Snow Likely
    then
    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow.  Low around 34. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Rain and snow, becoming all snow after 8am.  High near 37. Breezy, with a west southwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Breezy.
    Rain/Snow
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow before 2am, then rain and snow.  Low around 32. Southwest wind 7 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 32 °F

    Snow then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow.  High near 40. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow.  Snow level 6400 feet. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow.  Cloudy, with a high near 38.

    High: 38 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow.  Snow level 6300 feet. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 50 percent chance of snow. Cloudy, with a low around 32. Breezy, with a west southwest wind around 22 mph, with gusts as high as 39 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Snow before 3pm, then rain and snow. High near 38. Southwest wind 17 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Rain and snow. Low around 34. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
Rain and snow, becoming all snow after 8am. High near 37. Breezy, with a west southwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow before 2am, then rain and snow. Low around 32. Southwest wind 7 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Rain, possibly mixed with snow. High near 40. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow. Snow level 6400 feet. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow. Cloudy, with a high near 38.
Thursday Night
Rain likely, possibly mixed with snow. Snow level 6300 feet. Mostly cloudy, with a low around 37.
Friday
A chance of rain and snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 40.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 34.
Saturday
A slight chance of rain and snow. Snow level 5800 feet. Partly sunny, with a high near 40.
Saturday Night
A chance of rain and snow. Snow level 5600 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 32.
Sunday
A chance of 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)
1:02 am MST Dec 8, 2025
4am MST Dec 8, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

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