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

58°F

14°C

Humidity 79%
Wind Speed NNE 7 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 25 Dec 01:53 PM PST
Extended Forecast for

5 Miles ENE Rohnert Park CA

Flood Watch December 25, 02:11pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 25, 02:11pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Flood Watch

  • Christmas Day

    High: 51 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then showers likely. Some of the storms could be severe. Steady temperature around 48. South wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 50. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 50 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. South wind around 6 mph becoming northwest after midnight. 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 then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51. North wind around 5 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Christmas Day
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 51. South wind around 16 mph, with gusts as high as 31 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 before 10pm, then showers likely. Some of the storms could be severe. Steady temperature around 48. South wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers, with thunderstorms also possible after 4pm. High near 50. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 51. North wind around 5 mph.
Saturday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 36.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 52.
Sunday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 35.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 53.
Monday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36.
Tuesday
Areas of frost. Otherwise, sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Rohnert Park CA
 38.37°N 122.62°W (Elev. 669 ft)
Last Update:
12:26 pm PST Dec 25, 2025
Forecast Valid:
2pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation