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

31°F

-1°C

Humidity 95%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 01 Jan 06:01 PM PST
Extended Forecast for

Trinity WA

Winter Weather Advisory until January 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 2, 01:00pm

    NOW until 1:00pm Fri

    Winter Weather Advisory

  • Tonight

    Low: 28 °F

    Snow

  • Friday

    Friday: Rain and snow before 10am, then rain likely between 10am and 4pm, then rain or freezing rain likely after 4pm. High near 31. Light southeast wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow, possibly mixed with rain and freezing rain. Low around 31. Light southeast wind. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Wintry Mix

  • Saturday

    Saturday: Rain and snow, becoming all rain after 1pm. High near 34. Southeast wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain. Low around 32. Southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain

  • Sunday

    Sunday: Snow, possibly mixed with rain. High near 39. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Monday

    Monday: A 50 percent chance of snow. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly after 7pm. Low around 28. Calm wind. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
Rain and snow before 10am, then rain likely between 10am and 4pm, then rain or freezing rain likely after 4pm. High near 31. Light southeast wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow, possibly mixed with rain and freezing rain. Low around 31. Light southeast wind. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Saturday
Rain and snow, becoming all rain after 1pm. High near 34. Southeast wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain. Low around 32. Southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow, possibly mixed with rain. High near 39. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 37.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Tuesday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Wednesday
Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 33.
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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 1, 2026
Forecast Valid:
6pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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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