Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

30°F

-1°C

Humidity 77%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 06:01 AM PST
Extended Forecast for

5 Miles NW Washington Pass WA

Air Stagnation Advisory January 20, 06:43am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 06:43am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 33 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 21. Southeast wind around 7 mph becoming northwest after midnight.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 32. Southwest wind 3 to 7 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Southwest wind around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. West wind around 6 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 33. North wind 5 to 9 mph becoming east in the afternoon.
Tonight
Mostly clear, with a low around 21. Southeast wind around 7 mph becoming northwest after midnight.
Wednesday
Sunny, with a high near 32. Southwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 20. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 29. West wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 14.
Saturday
Sunny, with a high near 29.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 18.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 28.
Sunday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Washington Pass WA
 48.58°N 120.73°W (Elev. 5965 ft)
1:12 am PST Jan 20, 2026
6am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database