Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

30°F

-1°C

Humidity 76%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 20 Jan 07:01 AM PST
Extended Forecast for

Trinity WA

Air Stagnation Advisory January 20, 07:56am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 07:56am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 40 °F

    Mostly Sunny

  • Tonight

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

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. Calm wind.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 40. Light and variable wind.
Tonight
Mostly clear, with a low around 24. Calm wind.
Wednesday
Sunny, with a high near 40. Calm wind.
Wednesday Night
Partly cloudy, with a low around 23. Calm wind.
Thursday
Mostly sunny, with a high near 38. Calm wind.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 39.
Saturday Night
A slight chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am. Partly cloudy, with a low around 24. Chance of precipitation is 20%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Monday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.04°N 120.83°W (Elev. 2598 ft)
1:12 am PST Jan 20, 2026
7am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database