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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

39°F

4°C

Humidity 98%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 09 Dec 02:01 AM PST
Extended Forecast for

Washington Pass WA

Flood Watch December 9, 02:51am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 02:51am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Overnight

    Low: 24 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: A chance of snow before 7am, then snow likely after 1pm. The snow could be heavy at times. Partly sunny, with a high near 28. West wind 12 to 17 mph becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Chance Snow
    then Heavy
    Snow

  • Tuesday Night

    Tuesday Night: Snow before 1am, then rain, possibly mixed with snow. The rain and snow could be heavy at times. Temperature rising to around 33 by 4am. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 25 °F⇑

    Heavy Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. The snow could be heavy at times. High near 34. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 34 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 29. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 12 to 18 inches possible.

    Low: 29 °F

    Heavy Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 30. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 30 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Friday

    Friday: Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.

    High: 33 °F

    Snow Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a low around 24. Breezy, with a west wind around 21 mph, with gusts as high as 33 mph. Total nighttime snow accumulation of 4 to 8 inches possible.
Tuesday
A chance of snow before 7am, then snow likely after 1pm. The snow could be heavy at times. Partly sunny, with a high near 28. West wind 12 to 17 mph becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow before 1am, then rain, possibly mixed with snow. The rain and snow could be heavy at times. Temperature rising to around 33 by 4am. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday
Snow, possibly mixed with rain. The snow could be heavy at times. High near 34. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 29. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 12 to 18 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 30. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow likely before 1pm, then 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 before 7pm, then a chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 32.
Saturday Night
Snow. Low around 26. Chance of precipitation is 80%.
Sunday
Snow. High near 29. Chance of precipitation is 80%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Monday
Snow. High near 31. Chance of precipitation is 90%.
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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:
1:26 am PST Dec 9, 2025
Forecast Valid:
2am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation