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

47°F

8°C

Humidity 75%
Wind Speed SW 20 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 25 Dec 11:57 AM PST
Extended Forecast for

4 Miles E The Geysers CA

Flood Watch December 25, 01:03pm until December 26, 10:00pm
Wind Advisory December 25, 01:03pm until December 26, 10:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 25, 01:03pm until December 26, 10:00pm
    Wind Advisory December 25, 01:03pm until December 26, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Christmas Day

    High: 41 °F

    Showers and
    Windy

  • Tonight

    Tonight: Rain showers before 1am, then rain, possibly mixed with snow showers. Some thunder is also possible.  Low around 36. Very windy, with a south southwest wind around 33 mph, with gusts as high as 55 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Very Windy.
    Showers then
    Rain/Snow

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm.  High near 40. Windy, with a south wind 26 to 31 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 40 °F

    Showers and
    Windy

  • Friday Night

    Friday Night: A chance of rain showers before 1am, then a slight chance of snow showers. Some thunder is also possible.  Mostly cloudy, with a low around 37. Breezy, with a southeast wind 16 to 18 mph becoming north northeast after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Breezy.
    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: A 20 percent chance of snow showers before 10am.  Sunny, with a high near 42. North wind 8 to 10 mph.

    High: 42 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North wind around 9 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Christmas Day
Showers and possibly a thunderstorm. High near 41. Windy, with a south wind around 26 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers before 1am, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 36. Very windy, with a south southwest wind around 33 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Showers, with thunderstorms also possible after 4pm. High near 40. Windy, with a south wind 26 to 31 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A chance of rain showers before 1am, then a slight chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 37. Breezy, with a southeast wind 16 to 18 mph becoming north northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of snow showers before 10am. Sunny, with a high near 42. North wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 38. North wind around 9 mph.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E The Geysers CA
 38.81°N 122.74°W (Elev. 4610 ft)
12:30 pm PST Dec 25, 2025
1pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database