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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

22°F

-6°C

Humidity 95%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 31 Dec 10:01 PM PST
Extended Forecast for

Trinity WA

Air Stagnation Advisory until January 1, 12:00pm
Winter Weather Advisory January 1, 04:00pm until January 2, 01:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Winter Weather Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Tonight

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Snow, mainly after 10pm. Low around 29. Calm wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow

  • Friday

    Friday: Snow before 10am, then rain. High near 32. Calm wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 32 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain. Low around 32. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain

  • Saturday

    Saturday: Rain. High near 35. Chance of precipitation is 100%.

    High: 35 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 31. Chance of precipitation is 90%.

    Low: 31 °F

    Rain

  • Sunday

    Sunday: Rain. High near 40. Chance of precipitation is 80%.

    High: 40 °F

    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. Calm wind.
New Year's Day
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 37. Calm wind.
Thursday Night
Snow, mainly after 10pm. Low around 29. Calm wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow before 10am, then rain. High near 32. Calm wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Rain. Low around 32. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 35. Chance of precipitation is 100%.
Saturday Night
Rain. Low around 31. Chance of precipitation is 90%.
Sunday
Rain. High near 40. Chance of precipitation is 80%.
Sunday Night
Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 40%.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.04°N 120.83°W (Elev. 2598 ft)
Last Update:
8:07 pm PST Dec 31, 2025
Forecast Valid:
10pm PST Dec 31, 2025-6pm PST Jan 7, 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