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

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

30°F

-1°C

Humidity 80%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 21 Jan 02:01 AM PST
Extended Forecast for

Trinity WA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 24. Light northeast wind.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 16.

    Low: 16 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 24. Light northeast wind.
Wednesday
Partly sunny, with a high near 38. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind.
Thursday
Mostly sunny, with a high near 37. Calm wind.
Thursday Night
Mostly clear, with a low around 17. Calm wind.
Friday
Sunny, with a high near 35.
Friday Night
Clear, with a low around 16.
Saturday
Sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 22.
Monday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
1:12 am PST Jan 21, 2026
2am PST Jan 21, 2026-6pm PST Jan 27, 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