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 >

Hazardous Weather Conditions

Current conditions at

SAWMILL FLATS (MEFW1)

Lat: 46.9675°NLon: 121.08444°WElev: 3000.0ft.

NA

32°F

0°C

Humidity 100%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 05:25 AM PST
Extended Forecast for

White Pass WA

  • Today

    Today: Snow before 7am, then rain and snow. High near 35. Southeast wind 11 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow

  • Tonight

    Tonight: A chance of snow before 7pm, then a chance of snow after 4am. Patchy dense fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 23. West wind 5 to 9 mph becoming calm. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    and Patchy
    Dense Fog

  • Christmas Day

    Christmas Day: Snow, mainly after 10am. High near 34. East wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 25. Southwest wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 31. West wind 7 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch 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 a half inch possible.

    Low: 20 °F

    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

  • Saturday Night

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

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow before 7am, then rain and snow. High near 35. Southeast wind 11 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 7pm, then a chance of snow after 4am. Patchy dense fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 23. West wind 5 to 9 mph becoming calm. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Christmas Day
Snow, mainly after 10am. High near 34. East wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 25. Southwest wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 31. West wind 7 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch 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 a half inch possible.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly cloudy, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
White Pass WA
 46.66°N 121.35°W (Elev. 4895 ft)
Last Update:
6:16 am PST Dec 24, 2025
Forecast Valid:
6am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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