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 W 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 12:01 AM PST
Extended Forecast for

Trinity WA

  • Overnight

    Overnight: Snow likely before 3am, then rain and snow. Steady temperature around 29. Southeast wind around 8 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 29 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow before 5pm, then a chance of rain, snow, and freezing rain. High near 34. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    High: 34 °F

    Wintry Mix

  • Wednesday Night

    Wednesday Night: A chance of snow before 7pm, then a chance of snow after 4am. Partly cloudy, with a low around 21. South wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Christmas Day

    Christmas Day: Snow likely before 1pm, then rain, possibly mixed with snow. High near 33. East wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow. Low around 26. Light west wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Rain/Snow

  • Friday

    Friday: Snow. High near 31. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely before 3am, then rain and snow. Steady temperature around 29. Southeast wind around 8 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Rain and snow before 5pm, then a chance of rain, snow, and freezing rain. High near 34. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Wednesday Night
A chance of snow before 7pm, then a chance of snow after 4am. Partly cloudy, with a low around 21. South wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Christmas Day
Snow likely before 1pm, then rain, possibly mixed with snow. High near 33. East wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain, possibly mixed with snow. Low around 26. Light west wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
Snow. High near 31. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Partly sunny, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 34.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinity WA
 48.08°N 120.84°W (Elev. 3346 ft)
Last Update:
9:17 pm PST Dec 23, 2025
Forecast Valid:
1am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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