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

12 Miles N Washington Pass WA

Air Stagnation Advisory January 18, 09:29pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 09:29pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 39. North wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. West wind 8 to 10 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. West wind 6 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. West wind around 8 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 10am.  Mostly sunny, with a high near 28.

    High: 28 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Northeast wind around 10 mph.
M.L.King Day
Sunny, with a high near 39. North wind 5 to 8 mph becoming light and variable in the afternoon.
Monday Night
Mostly clear, with a low around 27. West wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 35. West wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 21. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 28.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
Snow likely, mainly after 4pm. Partly sunny, with a high near 24. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.
Saturday
Snow likely. Partly sunny, with a high near 19. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles N Washington Pass WA
 48.69°N 120.67°W (Elev. 6348 ft)
9:02 pm PST Jan 18, 2026
9pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database