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

34°F

1°C

Humidity 88%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 18 Jan 05:01 PM PST
Extended Forecast for

9 Miles ESE Trinity WA

Air Stagnation Advisory January 18, 05:58pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 05:58pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 27 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 43. Calm wind.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. West wind 3 to 5 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Northwest wind around 5 mph becoming calm  in the morning.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 27. Light north wind.
M.L.King Day
Sunny, with a high near 43. Calm wind.
Monday Night
Mostly clear, with a low around 30. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 42. Northwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 24. Calm wind.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 27.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 37.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 31.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Trinity WA
 48.02°N 120.63°W (Elev. 3622 ft)
3:07 pm PST Jan 18, 2026
5pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database