National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

55°F

13°C

Humidity 95%
Wind Speed E 0 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 24 Dec 04:54 AM PST
Extended Forecast for

3 Miles S Occidental CA

Flood Watch December 24, 05:02am until December 26, 10:00pm
Wind Advisory December 24, 05:02am until December 24, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 24, 05:02am until December 26, 10:00pm
    Wind Advisory December 24, 05:02am until December 24, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 50 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Patchy fog between 11am and noon. Otherwise, mostly cloudy, with a high near 56. Southwest wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    Showers and
    Patchy Fog
    then Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 52. Breezy, with a south wind 14 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 52 °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 52. Breezy, with a south southwest wind 15 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Severe
    Thunderstorms
    and Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 47. South southwest wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Severe
    Thunderstorms
    then Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °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 after 10pm. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers before 10am. Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

Detailed Forecast

Overnight
A 30 percent chance of showers. Cloudy, with a low around 50. Breezy, with a southwest wind around 22 mph, with gusts as high as 39 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Patchy fog between 11am and noon. Otherwise, mostly cloudy, with a high near 56. Southwest wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 52. Breezy, with a south wind 14 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an 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 52. Breezy, with a south southwest wind 15 to 23 mph, with gusts as high as 41 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 before 7pm, then showers between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 47. South southwest wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 53. 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 after 10pm. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Saturday
A slight chance of showers before 10am. Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 53.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 38.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 37.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Occidental CA
 38.35°N 122.93°W (Elev. 374 ft)
Last Update:
4:29 am PST Dec 24, 2025
Forecast Valid:
5am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation