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 >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

NA

52°F

11°C

Humidity 95%
Wind Speed WSW 0 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 24 Dec 07:10 AM PST
Extended Forecast for

5 Miles ENE Rohnert Park CA

Flood Watch December 24, 07:18am until December 26, 10:00pm
Wind Advisory December 24, 08:00pm until December 25, 10:00am
Wind Advisory December 24, 07:18am until December 24, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
...
  •  
    Flood Watch December 24, 07:18am until December 26, 10:00pm
    Wind Advisory December 24, 07:18am until December 24, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 54 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 47. Breezy, with a south southeast wind 18 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 47 °F

    Severe
    Thunderstorms
    and Breezy

  • Christmas Day

    Christmas Day: Showers likely and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe. High near 50. South wind 13 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 50 °F

    Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 45. South southwest wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Severe
    Thunderstorms
    then Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am. High near 51. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers before 10am. Areas of fog before 1pm. Otherwise, partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Showers and
    Areas Fog
    then Patchy
    Fog

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 54. Southwest wind 9 to 16 mph becoming southeast in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 47. Breezy, with a south southeast wind 18 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Christmas Day
Showers likely and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe. High near 50. South wind 13 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 45. South southwest wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers, with thunderstorms also possible after 10am. High near 51. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers before 10am. Areas of fog before 1pm. Otherwise, partly sunny, with a high near 52.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 53.
Sunday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 35.
Monday
Areas of frost. Otherwise, sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Rohnert Park CA
 38.37°N 122.62°W (Elev. 669 ft)
Last Update:
4:29 am PST Dec 24, 2025
Forecast Valid:
7am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation