National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

38°F

3°C

Humidity 76%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 12 Feb 03:01 PM PST
Extended Forecast for

Trinity WA

  • Tonight

    Tonight: A 10 percent chance of snow after 4am. Increasing clouds, with a low around 25. Northeast wind 3 to 5 mph.

    Low: 25 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of snow before 10am, then rain and snow. High near 37. Light south wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Friday Night

    Friday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 26. Light south wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow likely, mainly before 10am. Partly sunny, with a high near 35. West wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Partly cloudy, with a low around 20. Light north wind.

    Low: 20 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 36. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 19. Little or no snow accumulation expected.

    Low: 19 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.

    High: 33 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.

    Low: 22 °F

    Snow Likely

Detailed Forecast

Tonight
A 10 percent chance of snow after 4am. Increasing clouds, with a low around 25. Northeast wind 3 to 5 mph.
Friday
A chance of snow before 10am, then rain and snow. High near 37. Light south wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 26. Light south wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow likely, mainly before 10am. Partly sunny, with a high near 35. West wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 20. Light north wind.
Sunday
A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 36. Little or no snow accumulation expected.
Sunday Night
A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 19. Little or no snow accumulation expected.
Washington's Birthday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Monday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Wednesday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Thursday
Snow. High near 31. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
Last Update:
1:12 pm PST Feb 12, 2026
Forecast Valid:
3pm PST Feb 12, 2026-6pm PST Feb 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation