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 82%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 19 Jan 01:01 AM PST
Extended Forecast for

Trinity WA

Air Stagnation Advisory January 19, 01:54am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 01:54am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 27 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 44. Calm wind.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Northwest wind 3 to 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

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

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Light north wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Wednesday Night

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

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Light northeast wind.
M.L.King Day
Sunny, with a high near 44. Calm wind.
Monday Night
Partly cloudy, with a low around 29. Northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 42. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 25. Light north wind.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 23.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 38.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
1:13 am PST Jan 19, 2026
1am PST Jan 19, 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