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 91%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 18 Jan 09:01 PM PST
Extended Forecast for

2 Miles NNE Washington Pass WA

Air Stagnation Advisory January 18, 09:46pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 09:46pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 26 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 42. Light southwest wind.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. West wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. Northwest wind around 6 mph becoming calm  in the morning.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Light west wind.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after 4pm.  Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Light and variable wind becoming northeast around 5 mph.
M.L.King Day
Sunny, with a high near 42. Light southwest wind.
Monday Night
Mostly clear, with a low around 28. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 40. Northwest wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 22. Light west wind.
Wednesday
Sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A 30 percent chance of snow after 4pm. Mostly sunny, with a high near 34.
Thursday Night
A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 22.
Friday
Snow likely, mainly after 4pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Saturday
Snow likely. Partly sunny, with a high near 24. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Washington Pass WA
 48.55°N 120.62°W (Elev. 4304 ft)
9:02 pm PST Jan 18, 2026
9pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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