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

32°F

0°C

Humidity 98%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 02 Jan 03:01 AM PST
Extended Forecast for

Trinity WA

Winter Weather Advisory January 2, 03:16am until January 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 2, 03:16am until January 2, 01:00pm

    NOW until 1:00pm Fri

    Winter Weather Advisory

  • Overnight

    Low: 31 °F

    Snow

  • Friday

    Friday: Snow and freezing rain before 1pm, then a chance of freezing rain between 1pm and 2pm, then a chance of rain after 2pm. High near 31. Southeast wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Wintry Mix

  • Friday Night

    Friday Night: Rain and snow likely before 4am, then rain and freezing rain, possibly mixed with snow between 4am and 5am, then a chance of rain and snow after 5am. Low around 31. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Wintry Mix

  • Saturday

    Saturday: Rain and snow, becoming all rain after 4pm. High near 34. South wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow before 1am, then rain between 1am and 4am, then rain, possibly mixed with snow after 4am. Low around 32. Southeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow

  • Sunday

    Sunday: Rain and snow. High near 38. Chance of precipitation is 90%. 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 1 to 3 inches possible.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: A 50 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow

Detailed Forecast

Overnight
Snow. Steady temperature around 31. South wind 3 to 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
Snow and freezing rain before 1pm, then a chance of freezing rain between 1pm and 2pm, then a chance of rain after 2pm. High near 31. Southeast wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 2 inches possible.
Friday Night
Rain and snow likely before 4am, then rain and freezing rain, possibly mixed with snow between 4am and 5am, then a chance of rain and snow after 5am. Low around 31. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Saturday
Rain and snow, becoming all rain after 4pm. High near 34. South wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Rain, possibly mixed with snow before 1am, then rain between 1am and 4am, then rain, possibly mixed with snow after 4am. Low around 32. Southeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
Rain and snow. High near 38. Chance of precipitation is 90%. 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 1 to 3 inches possible.
Monday
A 50 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 36.
Monday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Tuesday
Snow. High near 35. 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. High near 33. Chance of precipitation is 80%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Thursday
A 50 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:
2:52 am PST Jan 2, 2026
Forecast Valid:
3am PST Jan 2, 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