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 86%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 Jan 12:01 AM PST
Extended Forecast for

4 Miles W Trinity WA

Air Stagnation Advisory January 19, 12:32am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 12:32am 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 41. Northeast wind 5 to 7 mph becoming light and variable  in the afternoon.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. West wind 6 to 8 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Northwest wind 6 to 8 mph becoming southeast in the morning.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Northwest wind around 7 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 10am.  Mostly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Northeast wind around 8 mph.
M.L.King Day
Sunny, with a high near 41. Northeast wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Mostly clear, with a low around 30. West wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 39. Northwest wind 6 to 8 mph becoming southeast in the morning.
Tuesday Night
Mostly clear, with a low around 24. Northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 34.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Friday
Snow likely, mainly after 4pm. Partly sunny, with a high near 32. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Trinity WA
 48.07°N 120.93°W (Elev. 4400 ft)
9:02 pm PST Jan 18, 2026
12am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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