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

DW3835 Orinda (D3835)

Lat: 37.85111°NLon: 122.155°WElev: 738.0ft.

58°F

14°C

Humidity	95%
Wind Speed	ESE 0 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	57°F (14°C)
Visibility	NA
Last update	22 Dec 10:27 AM PST

More Information:

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

Extended Forecast for

4 Miles SSE Lamorinda CA

Flood Watch December 24, 09:12pm until December 26, 10:00pm

Wind Advisory until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 24, 09:12pm until December 26, 10:00pm
Wind Advisory until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 51 °F
Showers and
Breezy
Christmas Day
High: 55 °F
Severe
Thunderstorms
and Breezy
Thursday Night
Low: 48 °F
Severe
Thunderstorms
then Showers
Friday
High: 54 °F
Showers
Friday Night
Low: 42 °F
Showers
Likely then
Chance
Showers
Saturday
High: 52 °F
Slight Chance
Showers then
Mostly Sunny
Saturday Night
Low: 37 °F
Mostly Clear
then Patchy
Frost
Sunday
High: 52 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 51. Breezy, with a south wind 21 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Christmas Day

Showers and possibly a thunderstorm. Some of the storms could be severe. High near 55. Breezy, with a south wind 18 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 48. South southwest wind 17 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Showers. High near 54. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Showers likely, mainly before 10pm. Mostly cloudy, with a low around 42. South southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of showers before 10am. Partly sunny, with a high near 52.

Saturday Night

Patchy frost after 5am. Otherwise, mostly clear, with a low around 37.

Sunday

Mostly sunny, with a high near 52.

Sunday Night

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

Monday

Areas of frost before 8am. Otherwise, sunny, with a high near 53.

Monday Night

Patchy frost. Otherwise, mostly clear, with a low around 36.