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	97%
Wind Speed	SE 2 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	51°F (11°C)
Visibility	NA
Last update	25 Dec 06:39 AM PST

More Information:

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

Extended Forecast for

4 Miles NNW Rohnert Park CA

Flood Watch December 25, 06:58am until December 26, 10:00pm

Wind Advisory December 25, 06:58am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

...

Flood Watch December 25, 06:58am until December 26, 10:00pm
Wind Advisory December 25, 06:58am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 53 °F
Severe
Thunderstorms
Tonight
Low: 46 °F
Severe
Thunderstorms
then Rain
Likely
Friday
High: 52 °F
Rain
Friday Night
Low: 41 °F
Chance Rain
Saturday
High: 53 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 36 °F
Mostly Clear
then Patchy
Frost and
Patchy Fog
Sunday
High: 53 °F
Areas Frost
and Patchy
Fog then
Mostly Sunny
Sunday Night
Low: 34 °F
Patchy Fog
then Patchy
Frost and
Patchy Fog

Detailed Forecast

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 53. South wind 11 to 21 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.

Tonight

Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Some of the storms could be severe. Low around 46. South wind 9 to 17 mph becoming west southwest in the evening. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain, mainly before 4pm. High near 52. South wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41. Northwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Mostly sunny, with a high near 53. North wind 3 to 5 mph.

Saturday Night

Patchy fog after 1am. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 36.

Sunday

Patchy fog before 10am. Areas of frost before 7am. Otherwise, partly sunny, with a high near 53.

Sunday Night

Patchy fog before 4am, then patchy fog after 5am. Patchy frost after 1am. Otherwise, mostly clear, with a low around 34.

Monday

Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 55.

Monday Night

Patchy fog before 11pm, then patchy fog after 2am. Patchy frost after 2am. Otherwise, mostly clear, with a low around 35.