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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

NA

27°F

-3°C

Humidity NA
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

12 Miles S Trinity WA

  • Tonight

    Tonight: Increasing clouds, with a low around 25. Northwest wind around 6 mph becoming east after midnight.

    Low: 25 °F

    Increasing
    Clouds

  • Christmas Day

    Christmas Day: Snow. High near 31. East wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 31 °F

    Snow Likely
    then Snow

  • Thursday Night

    Thursday Night: Snow likely before 9pm, then snow likely, possibly mixed with rain between 9pm and 10pm, then snow likely after 10pm. Mostly cloudy, with a low around 28. West wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Snow. High near 30. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 30 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 21. West wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

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

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. Northwest wind around 6 mph becoming east after midnight.
Christmas Day
Snow. High near 31. East wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday Night
Snow likely before 9pm, then snow likely, possibly mixed with rain between 9pm and 10pm, then snow likely after 10pm. Mostly cloudy, with a low around 28. West wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 30. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 21. West wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Trinity WA
 47.89°N 120.82°W (Elev. 3435 ft)
Last Update:
9:17 pm PST Dec 24, 2025
Forecast Valid:
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation