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

SAWMILL FLATS (MEFW1)

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

NA

35°F

2°C

Humidity 100%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 24 Dec 06:25 PM PST
Extended Forecast for

White Pass WA

  • Tonight

    Tonight: A 30 percent chance of snow after 4am. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 22. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 24 mph.

    Low: 22 °F

    Patchy Fog
    then Chance
    Snow and
    Patchy Fog

  • Christmas Day

    Christmas Day: Snow, mainly after 10am. High near 32. East wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Southwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 29. Southwest wind 8 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 19. West wind 18 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 24.

    High: 24 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am, then patchy fog after 4pm. Otherwise, partly sunny, with a high near 30.

    High: 30 °F

    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 21.

    Low: 21 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow after 4am. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 22. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 24 mph.
Christmas Day
Snow, mainly after 10am. High near 32. East wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Southwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 29. Southwest wind 8 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 19. West wind 18 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 24.
Saturday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 16.
Sunday
Patchy fog before 10am, then patchy fog after 4pm. Otherwise, partly sunny, with a high near 30.
Sunday Night
Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
White Pass WA
 46.64°N 121.37°W (Elev. 4672 ft)
Last Update:
3:20 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation