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 >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

41°F

5°C

Humidity 93%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 09 Dec 06:01 PM PST
Extended Forecast for

4 Miles ENE Washington Pass WA

  • Tonight

    Tonight: Snow before 4am, then snow, possibly mixed with rain. The rain and snow could be heavy at times.  Temperature rising to around 32 by 3am. Breezy, with a south wind 9 to 18 mph becoming west after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 100%. Total nighttime snow accumulation of 8 to 12 inches possible.

    Low: 22 °F

    Heavy Snow
    then
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 32. West wind 14 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    High: 32 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 22. Windy, with a west wind 15 to 20 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 22 °F

    Heavy Snow
    and Windy

  • Thursday

    Thursday: Snow, mainly before 4pm.  High near 26. Breezy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after 10pm.  Mostly cloudy, with a low around 22. West wind around 15 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow Likely

  • Friday

    Friday: Snow.  High near 28. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 23. Breezy.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: A 40 percent chance of snow.  Partly sunny, with a high near 26.

    High: 26 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after 10pm.  Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely

Detailed Forecast

Tonight
Snow before 4am, then snow, possibly mixed with rain. The rain and snow could be heavy at times. Temperature rising to around 32 by 3am. Breezy, with a south wind 9 to 18 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 8 to 12 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 32. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 22. Windy, with a west wind 15 to 20 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Thursday
Snow, mainly before 4pm. High near 26. Breezy, with a west wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 22. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 28. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 23. Breezy. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 26.
Saturday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 70%.
Monday
Snow. The snow could be heavy at times. High near 26. Chance of precipitation is 90%.
Monday Night
Snow. The snow could be heavy at times. Low around 21. Breezy. Chance of precipitation is 90%.
Tuesday
Snow. The snow could be heavy at times. High near 25. Breezy. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Washington Pass WA
 48.55°N 120.59°W (Elev. 7031 ft)
5:48 pm PST Dec 9, 2025
6pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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