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 04:01 AM PST
Extended Forecast for

Trinity WA

Air Stagnation Advisory January 19, 04:50am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 04:50am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 32. Light and variable wind becoming northwest around 6 mph in the evening.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. North wind around 5 mph becoming calm  in the morning.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 37. Light and variable wind.

    High: 37 °F

    Sunny

  • Wednesday Night

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

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 42. Light and variable wind.
Tonight
Partly cloudy, with a steady temperature around 32. Light and variable wind becoming northwest around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 39. North wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 24. Light north wind.
Wednesday
Sunny, with a high near 37. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 22.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 35.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.07°N 120.87°W (Elev. 4396 ft)
2:57 am PST Jan 19, 2026
4am PST Jan 19, 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