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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

32°F

0°C

Humidity 99%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 04:01 AM PST
Extended Forecast for

Washington Pass WA

Winter Weather Advisory December 24, 05:02am until December 24, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 24, 05:02am until December 24, 04:00pm

    NOW until 4:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 22 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow, mainly before 4pm. The snow could be heavy at times. High near 26. Breezy, with a southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 26 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Southwest wind 8 to 14 mph becoming south after midnight. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Partly
    Cloudy

  • Christmas Day

    Christmas Day: Snow, mainly after 10am. High near 22. North wind around 9 mph becoming northeast in the morning. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 19. West wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow then
    Snow Likely

  • Friday

    Friday: Snow, mainly before 4pm. High near 21. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 21 °F

    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 8. Breezy. New snow accumulation of less than one inch possible.

    Low: 8 °F

    Breezy.
    Chance Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Steady temperature around 22. Southeast wind around 14 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow, mainly before 4pm. The snow could be heavy at times. High near 26. Breezy, with a southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
A 30 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Southwest wind 8 to 14 mph becoming south after midnight. New snow accumulation of less than one inch possible.
Christmas Day
Snow, mainly after 10am. High near 22. North wind around 9 mph becoming northeast in the morning. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow. Low around 19. West wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow, mainly before 4pm. High near 21. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 8. Breezy. New snow accumulation of less than one inch possible.
Saturday
Partly sunny, with a high near 15.
Saturday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 10.
Sunday
A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 26.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington Pass WA
 48.51°N 120.64°W (Elev. 6827 ft)
Last Update:
4:36 am PST Dec 24, 2025
Forecast Valid:
5am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation