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.

52°F

11°C

Humidity	98%
Wind Speed	SSW 3 MPH
Barometer	29.6 in (1002.37 mb)
Dewpoint	51°F (11°C)
Visibility	NA
Last update	25 Dec 02:11 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SSE Jenner CA

Flood Watch December 25, 02:17am until December 26, 10:00pm

High Wind Warning December 25, 02:17am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

High Wind Warning

Flood Watch December 25, 02:17am until December 26, 10:00pm
High Wind Warning December 25, 02:17am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 51 °F
Severe
Thunderstorms
and Breezy
Christmas Day
High: 54 °F
Severe
Thunderstorms
and Breezy
Thursday Night
Low: 49 °F
Severe
Thunderstorms
and Windy
Friday
High: 53 °F
Rain
Friday Night
Low: 44 °F
Chance Rain
then Slight
Chance Rain
Saturday
High: 52 °F
Slight Chance
Rain
Saturday Night
Low: 41 °F
Mostly Clear
Sunday
High: 52 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 51. Breezy, with a south wind around 26 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Christmas Day

Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 54. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 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 1am, then rain after 1am. Some of the storms could be severe. Low around 49. Windy, with a south southwest wind 18 to 23 mph becoming southwest 27 to 32 mph. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Rain, mainly before 4pm. High near 53. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44. Northwest wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain. Mostly sunny, with a high near 52.

Saturday Night

Mostly clear, with a low around 41.

Sunday

Mostly sunny, with a high near 52.

Sunday Night

Mostly clear, with a low around 40.

Monday

Sunny, with a high near 54.

Monday Night

Mostly clear, with a low around 41.