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

34°F

1°C

Humidity 100%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 24 Dec 09:25 AM PST
Extended Forecast for

White Pass WA

  • Today

    Today: Rain and snow before 1pm, then a chance of rain, snow, and freezing rain. High near 37. Southeast wind around 15 mph becoming southwest in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Wintry Mix

  • Tonight

    Tonight: A chance of snow before 7pm, then a chance of snow after 4am. Mostly cloudy, with a low around 23. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow

  • Christmas Day

    Christmas Day: Snow before 1pm, then rain, possibly mixed with snow. High near 35. East wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow then
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 25. Southwest wind around 7 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 32. West wind 8 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 32 °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 27.

    High: 27 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain and snow before 1pm, then a chance of rain, snow, and freezing rain. High near 37. Southeast wind around 15 mph becoming southwest in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. 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. Mostly cloudy, with a low around 23. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Christmas Day
Snow before 1pm, then rain, possibly mixed with snow. High near 35. East wind 6 to 8 mph, with gusts as high as 21 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 around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 32. West wind 8 to 11 mph, with gusts as high as 31 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 27.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly cloudy, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 39.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
White Pass WA
 46.66°N 121.38°W (Elev. 4462 ft)
Last Update:
9:56 am PST Dec 24, 2025
Forecast Valid:
10am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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Chance of Precipitation