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

STEHEKIN-AIRSTRIP (STRW1)

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

NA

33°F

1°C

Humidity 98%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 25 Dec 01:01 PM PST
Extended Forecast for

2 Miles NNE Washington Pass WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Southwest wind around 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Snow, mainly after 10am. Temperature rising to near 27 by noon, then falling to around 18 during the remainder of the day. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F⇓

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 4. Wind chill values as low as -9. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 4 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Sunny, with a high near 16. Wind chill values as low as -10. Northwest wind around 8 mph.

    High: 16 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 5. West wind around 5 mph.

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Southwest wind around 6 mph.
Friday
Snow, mainly after 10am. Temperature rising to near 27 by noon, then falling to around 18 during the remainder of the day. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 4. Wind chill values as low as -9. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 20 percent chance of snow before 10am. Sunny, with a high near 16. Wind chill values as low as -10. Northwest wind around 8 mph.
Saturday Night
Mostly cloudy, with a low around 5. West wind around 5 mph.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
New Year's Day
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Washington Pass WA
 48.55°N 120.62°W (Elev. 4304 ft)
Last Update:
1:32 am PST Dec 26, 2025
Forecast Valid:
2am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation