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

Flood Watch until December 26, 10:00 PM PST

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Rain

57°F

14°C

Humidity	71%
Wind Speed	SSW 8 MPH
Barometer	29.83 in (1010.16 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	25 Dec 10:20 AM PST

More Information:

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

Extended Forecast for

5 Miles SE Benicia CA

Flood Watch December 25, 10:35am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 25, 10:35am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Christmas Day
High: 57 °F
Severe
Thunderstorms
Tonight
Low: 52 °F
Severe
Thunderstorms
then Rain
Likely
Friday
High: 54 °F
Rain
Friday Night
Low: 44 °F
Chance Rain
then Slight
Chance Rain
Saturday
High: 50 °F
Slight Chance
Rain then
Mostly Sunny
Saturday Night
Low: 40 °F
Mostly Clear
Sunday
High: 49 °F
Mostly Sunny
Sunday Night
Low: 38 °F
Mostly Clear

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm. Some of the storms could be severe. High near 57. South southwest wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. 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 rain likely after 10pm. Some of the storms could be severe. Steady temperature around 52. South southeast wind 10 to 15 mph becoming west southwest in the evening. Winds could gust as high as 33 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 54. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44. Southwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Partly sunny, with a high near 50. North wind around 6 mph.

Saturday Night

Mostly clear, with a low around 40.

Sunday

Mostly sunny, with a high near 49.

Sunday Night

Mostly clear, with a low around 38.

Monday

Sunny, with a high near 50.

Monday Night

Partly cloudy, with a low around 38.