Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

38°F

3°C

Humidity 99%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 08 Dec 09:01 AM PST
Extended Forecast for

16 Miles SW Twisp WA

Flood Watch until December 9, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until December 9, 04:00am

    NOW until 4:00am Tue

    Flood Watch

  • Today

    High: 33 °F

    Heavy Snow
    then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 9pm. The rain and snow could be heavy at times.  Low around 22. Breezy, with a west wind 17 to 22 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 22 °F

    Breezy.
    Rain/Snow
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly after 10am.  Increasing clouds, with a high near 28. Breezy, with a west wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Snow Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 23. West wind 6 to 8 mph.  Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

    Low: 23 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 30. West wind around 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

    High: 30 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 25. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    Low: 25 °F

    Heavy Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 30. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Snow Likely

Detailed Forecast

Today
Snow, possibly mixed with rain. The rain and snow could be heavy at times. High near 33. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Rain and snow, becoming all snow after 9pm. The rain and snow could be heavy at times. Low around 22. Breezy, with a west wind 17 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Tuesday
Snow likely, mainly after 10am. Increasing clouds, with a high near 28. Breezy, with a west wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 23. West wind 6 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 30. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 25. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 33. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
Snow likely. Partly sunny, with a high near 31. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SW Twisp WA
 48.22°N 120.4°W (Elev. 5879 ft)
9:23 am PST Dec 8, 2025
10am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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