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

KONOCTI (KELC1)

Lat: 38.91189°NLon: 122.70631°WElev: 2163.0ft.

NA

44°F

7°C

Humidity 83%
Wind Speed SW 14 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 25 Dec 08:57 PM PST
Extended Forecast for

5 Miles ESE The Geysers CA

Flood Watch December 25, 09:54pm until December 26, 10:00pm
Wind Advisory December 25, 09:54pm until December 26, 10:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 25, 09:54pm until December 26, 10:00pm
    Wind Advisory December 25, 09:54pm until December 26, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 41 °F

    Showers and
    Windy

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm.  High near 44. Windy, with a south wind 14 to 24 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 44 °F

    Showers and
    Windy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 40. Southeast wind around 10 mph becoming north northeast after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 10am.  Sunny, with a high near 45. North wind around 8 mph.

    High: 45 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. North wind around 8 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48. North wind 6 to 8 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 41. Windy, with a south southwest wind 26 to 29 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers, with thunderstorms also possible after 4pm. High near 44. Windy, with a south wind 14 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Southeast wind around 10 mph becoming north northeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers before 10am. Sunny, with a high near 45. North wind around 8 mph.
Saturday Night
Mostly clear, with a low around 41. North wind around 8 mph.
Sunday
Mostly sunny, with a high near 48. North wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 54.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 46.
New Year's Day
A chance of rain. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE The Geysers CA
 38.76°N 122.73°W (Elev. 3114 ft)
1:10 pm PST Dec 25, 2025
9pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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