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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

32°F

0°C

Humidity 99%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 02:01 AM PST
Extended Forecast for

Trinity WA

  • Overnight

    Overnight: Snow, possibly mixed with rain. Low around 26. Southeast wind around 5 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain before 7am, then rain between 7am and 5pm, then a chance of rain and snow after 5pm. High near 33. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 23. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Christmas Day

    Christmas Day: Rain and snow before 11am, then snow between 11am and noon, then rain and snow after noon. High near 32. Light east wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow before 10pm, then a chance of rain between 10pm and 1am, then rain and snow likely after 1am. Low around 29. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow likely before 7am, then snow. High near 31. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Rain/Snow
    then Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 21. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow, possibly mixed with rain. Low around 26. Southeast wind around 5 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow, possibly mixed with rain before 7am, then rain between 7am and 5pm, then a chance of rain and snow after 5pm. High near 33. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 23. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Christmas Day
Rain and snow before 11am, then snow between 11am and noon, then rain and snow after noon. High near 32. Light east wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Rain and snow before 10pm, then a chance of rain between 10pm and 1am, then rain and snow likely after 1am. Low around 29. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Rain and snow likely before 7am, then snow. High near 31. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 21. New snow accumulation of less than one inch possible.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.04°N 120.83°W (Elev. 2598 ft)
Last Update:
1:12 am PST Dec 24, 2025
Forecast Valid:
2am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation