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

30°F

-1°C

Humidity 100%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 24 Dec 11:25 PM PST
Extended Forecast for

White Pass WA

  • Overnight

    Overnight: A 30 percent chance of snow after 4am. Patchy dense fog before 1am. Otherwise, mostly cloudy, with a low around 22. Calm wind becoming east 5 to 7 mph.

    Low: 22 °F

    Chance Snow
    and Patchy
    Dense Fog

  • Christmas Day

    Christmas Day: Snow, mainly after 10am. High near 33. East wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Southwest wind 3 to 5 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 31. Southwest wind 7 to 10 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 19. West wind around 16 mph, with gusts as high as 41 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. Partly sunny, with a high near 25.

    High: 25 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 16.

    Low: 16 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 31.

    High: 31 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

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

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow after 4am. Patchy dense fog before 1am. Otherwise, mostly cloudy, with a low around 22. Calm wind becoming east 5 to 7 mph.
Christmas Day
Snow, mainly after 10am. High near 33. East wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 20 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 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 31. Southwest wind 7 to 10 mph, with gusts as high as 29 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 around 16 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 20 percent chance of snow before 10am. Partly sunny, with a high near 25.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 16.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 28.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
White Pass WA
 46.66°N 121.35°W (Elev. 4895 ft)
Last Update:
9:22 pm PST Dec 24, 2025
Forecast Valid:
12am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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