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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

37°F

3°C

Humidity 92%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 02 Jan 02:01 PM PST
Extended Forecast for

Trinity WA

Winter Weather Advisory January 2, 03:05pm until January 3, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 2, 03:05pm until January 3, 10:00am

    NOW until 10:00am Sat

    Winter Weather Advisory

  • This Afternoon

    High: 31 °F

    Rain/Freezing
    Rain Likely

  • Tonight

    Tonight: Rain or freezing rain before 3am, then a chance of rain between 3am and 5am, then a chance of rain or freezing rain after 5am. Low around 31. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.

    Low: 31 °F

    Rain/Freezing
    Rain

  • Saturday

    Saturday: Rain and snow, possibly mixed with freezing rain before 11am, then rain and snow between 11am and 4pm, then a chance of rain after 4pm. High near 34. Light southeast wind. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Rain and snow. Low around 32. Southeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 32 °F

    Rain/Snow

  • Sunday

    Sunday: Rain and snow. High near 38. Southwest wind around 6 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: A 50 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 35. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Chance Snow
    then Snow
    Likely

Detailed Forecast

This Afternoon
A chance of rain before 4pm, then freezing rain likely. Mostly cloudy, with a high near 31. Calm wind. Chance of precipitation is 60%. Total daytime ice accumulation of less than a 0.1 of an inch possible.
Tonight
Rain or freezing rain before 3am, then a chance of rain between 3am and 5am, then a chance of rain or freezing rain after 5am. Low around 31. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.
Saturday
Rain and snow, possibly mixed with freezing rain before 11am, then rain and snow between 11am and 4pm, then a chance of rain after 4pm. High near 34. Light southeast wind. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Saturday Night
Rain and snow. Low around 32. Southeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
Rain and snow. High near 38. Southwest wind around 6 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
A 50 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 35. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Tuesday
Snow. The snow could be heavy at times. High near 34. Chance of precipitation is 80%.
Tuesday Night
Snow. The snow could be heavy at times. Low around 24. Chance of precipitation is 90%.
Wednesday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 33.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
Last Update:
2:53 pm PST Jan 2, 2026
Forecast Valid:
3pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation