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

6 Miles NW Mazama WA

  • Overnight

    Overnight: Partly cloudy, with a low around 24. West wind around 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Snow, mainly after 7am. High near 28. South wind 5 to 9 mph becoming southeast in the morning. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 28 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 6. Wind chill values as low as -5. Northwest wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 6 °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 -8. Northwest wind 6 to 9 mph.

    High: 16 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8. Northwest wind 3 to 5 mph.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °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 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. West wind around 5 mph.
Friday
Snow, mainly after 7am. High near 28. South wind 5 to 9 mph becoming southeast in the morning. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
Snow, mainly before 10pm. Low around 6. Wind chill values as low as -5. Northwest wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 20 percent chance of snow before 10am. Sunny, with a high near 16. Wind chill values as low as -8. Northwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 8. Northwest wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26.
New Year's Day
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
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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:
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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Chance of Precipitation