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

32°F

0°C

Humidity 81%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 19 Jan 10:01 PM PST
Extended Forecast for

10 Miles ESE Trinity WA

Air Stagnation Advisory January 19, 11:09pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 11:09pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 34. East wind 5 to 9 mph becoming south in the afternoon.

    High: 34 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Northwest wind around 9 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 31. Northwest wind 5 to 9 mph becoming south in the afternoon.

    High: 31 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. West wind around 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 33. West wind 11 to 13 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 34. East wind 5 to 9 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Northwest wind around 9 mph.
Wednesday
Sunny, with a high near 31. Northwest wind 5 to 9 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 22. West wind around 7 mph.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Sunny, with a high near 29.
Friday Night
Mostly clear, with a low around 18.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 28.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 29.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Trinity WA
 48°N 120.66°W (Elev. 6201 ft)
9:02 pm PST Jan 19, 2026
11pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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