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: Mostly clear, with a low around 22. Light northwest wind.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 36. Light and variable wind.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Light north wind.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 15.

    Low: 15 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 22. Light northwest wind.
Wednesday
Sunny, with a high near 36. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 22. Light north wind.
Thursday
Mostly sunny, with a high near 34. Calm wind.
Thursday Night
Mostly clear, with a low around 17. Light east wind.
Friday
Sunny, with a high near 31.
Friday Night
Clear, with a low around 15.
Saturday
Sunny, with a high near 35.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Sunny, with a high near 34.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 21.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 35.
Monday Night
A 30 percent chance of snow. Partly cloudy, with a low around 24.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 36.
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)
1:12 am PST Jan 21, 2026
2am PST Jan 21, 2026-6pm PST Jan 27, 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