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

30°F

-1°C

Humidity 98%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 24 Dec 09:01 PM PST
Extended Forecast for

6 Miles NW Mazama WA

  • Tonight

    Tonight: Partly cloudy, with a low around 21. North wind 3 to 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Snow, mainly after 1pm. High near 29. Light and variable wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Chance Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 10pm. Low around 25. Southwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow

  • Friday

    Friday: Snow. High near 28. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 13. West wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Sunday Night

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

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. North wind 3 to 6 mph.
Christmas Day
Snow, mainly after 1pm. High near 29. Light and variable wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow, mainly before 10pm. Low around 25. Southwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 28. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 13. West wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 32.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 10%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Mazama WA
 48.67°N 120.53°W (Elev. 4032 ft)
Last Update:
9:17 pm PST Dec 24, 2025
Forecast Valid:
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation