National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

36°F

2°C

Humidity 99%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 07 Dec 02:01 PM PST
Extended Forecast for

Washington Pass WA

Flood Watch December 8, 07:00am until December 9, 04:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Snow. The snow could be heavy at times. High near 31. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.

    High: 31 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 4am. Low around 27. West wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow

  • Monday

    Monday: Snow, mainly after 7am. The snow could be heavy at times. High near 32. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    High: 32 °F

    Heavy Snow

  • Monday Night

    Monday Night: Snow before 7pm, then rain and snow between 7pm and 8pm, then snow after 8pm. The rain and snow could be heavy at times. Low around 25. Breezy, with a west wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 25 °F

    Breezy.
    Rain/Snow
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 28. Breezy, with a west wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 25. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 25 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 31 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.

    Low: 24 °F

    Heavy Snow

  • Thursday

    Thursday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 31. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow, mainly before 4am. Low around 27. West wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow, mainly after 7am. The snow could be heavy at times. High near 32. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Monday Night
Snow before 7pm, then rain and snow between 7pm and 8pm, then snow after 8pm. The rain and snow could be heavy at times. Low around 25. Breezy, with a west wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Tuesday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 28. Breezy, with a west wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 25. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow likely, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Thursday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Friday
Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Saturday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington Pass WA
 48.53°N 120.65°W (Elev. 5617 ft)
Last Update:
1:21 pm PST Dec 7, 2025
Forecast Valid:
2pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation