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

31°F

-1°C

Humidity 78%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 20 Jan 02:01 AM PST
Extended Forecast for

6 Miles SE Washington Pass WA

Air Stagnation Advisory January 20, 02:20am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 02:20am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 42. North wind around 6 mph becoming calm  in the morning.

    High: 42 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. West wind 3 to 5 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. Light southwest wind.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Light west wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Northwest wind around 7 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 42. North wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 26. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 40. Light southwest wind.
Wednesday Night
Partly cloudy, with a low around 25. Light west wind.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 37.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 22.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 36.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Washington Pass WA
 48.45°N 120.56°W (Elev. 3415 ft)
1:12 am PST Jan 20, 2026
2am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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