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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

20°F

-7°C

Humidity 93%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 01 Jan 04:01 AM PST
Extended Forecast for

Washington Pass WA

Air Stagnation Advisory until January 1, 12:00pm
Winter Weather Advisory January 1, 04:00pm until January 2, 01:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Winter Weather Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Overnight

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow, mainly between 10am and 4pm. Mostly cloudy, with a high near 29. South wind around 6 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Snow, mainly after 10pm. Low around 26. South wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow

  • Friday

    Friday: Snow. High near 31. West wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 28. Southwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow

  • Saturday

    Saturday: Snow. High near 31. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 26. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow

  • Sunday

    Sunday: Snow. High near 29. Chance of precipitation is 90%.

    High: 29 °F

    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. South wind around 6 mph.
New Year's Day
A 30 percent chance of snow, mainly between 10am and 4pm. Mostly cloudy, with a high near 29. South wind around 6 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Snow, mainly after 10pm. Low around 26. South wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. High near 31. West wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 28. Southwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow. High near 31. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. Low around 26. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow. High near 29. Chance of precipitation is 90%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.
Monday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 27.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 70%.
Wednesday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Pass WA
 48.52°N 120.68°W (Elev. 5397 ft)
Last Update:
2:53 am PST Jan 1, 2026
Forecast Valid:
4am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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Additional Resources

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Chance of Precipitation