Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

38°F

3°C

Humidity 91%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 14 Jan 02:01 PM PST
Extended Forecast for

Trinity WA

Air Stagnation Advisory until January 16, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 16, 10:00am

    NOW until 10:00am Fri

    Air Stagnation Advisory

  • This Afternoon

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. North wind 5 to 7 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Light east wind.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44. Light east wind.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 49. East wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 32. North wind 5 to 7 mph.
Thursday
Sunny, with a high near 43. Light and variable wind.
Thursday Night
Mostly clear, with a low around 29. Light east wind.
Friday
Sunny, with a high near 44. Light east wind.
Friday Night
Clear, with a low around 29.
Saturday
Sunny, with a high near 45.
Saturday Night
Clear, with a low around 30.
Sunday
Sunny, with a high near 47.
Sunday Night
Clear, with a low around 29.
M.L.King Day
Sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
2:42 pm PST Jan 14, 2026
2pm PST Jan 14, 2026-6pm PST Jan 20, 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