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

3 Miles ENE Washington Pass WA

  • Christmas Day

    Christmas Day: Snow. The snow could be heavy at times.  High near 22. South wind 7 to 9 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 7pm. The snow could be heavy at times.  Low around 15. Southwest wind 11 to 14 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Heavy Snow
    then Chance
    Snow

  • Friday

    Friday: Snow, mainly after 10am.  Temperature rising to near 18 by 10am, then falling to around 13 during the remainder of the day. Wind chill values as low as -5. Breezy, with a south wind 14 to 18 mph becoming west in the afternoon.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 18 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow, mainly before 10pm.  Low around 2. Wind chill values as low as -20. Breezy, with a northwest wind around 22 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 2 °F

    Breezy. Snow
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am.  Mostly sunny and cold, with a high near 10. Blustery, with a northwest wind 14 to 21 mph.

    High: 10 °F

    Slight Chance
    Snow and
    Blustery then
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
Snow. The snow could be heavy at times. High near 22. South wind 7 to 9 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 7pm. The snow could be heavy at times. Low around 15. Southwest wind 11 to 14 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow, mainly after 10am. Temperature rising to near 18 by 10am, then falling to around 13 during the remainder of the day. Wind chill values as low as -5. Breezy, with a south wind 14 to 18 mph becoming west in the afternoon. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 2. Wind chill values as low as -20. Breezy, with a northwest wind around 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 20 percent chance of snow before 10am. Mostly sunny and cold, with a high near 10. Blustery, with a northwest wind 14 to 21 mph.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly cloudy, with a high near 22.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A 10 percent chance of snow. Mostly cloudy, with a high near 26.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Washington Pass WA
 48.53°N 120.59°W (Elev. 7986 ft)
1:11 pm PST Dec 25, 2025
2pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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