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

Berkeley Lab (LBNL1)

Lat: 37.8771°NLon: 122.2486°WElev: 888.0ft.

52°F

11°C

Humidity	93%
Wind Speed	SSE 12 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	24 Dec 08:45 PM PST

More Information:

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

Extended Forecast for

2 Miles NW Pinole CA

Flood Watch December 24, 09:03pm 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, 09:03pm until December 26, 10:00pm
Wind Advisory until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 54 °F
Showers and
Windy
Christmas Day
High: 55 °F
Severe
Thunderstorms
and Breezy
Thursday Night
Low: 51 °F
Breezy.
Severe
Thunderstorms
then Showers
Friday
High: 53 °F
Showers
Friday Night
Low: 46 °F
Showers
Likely then
Chance
Showers
Saturday
High: 50 °F
Slight Chance
Showers then
Mostly Sunny
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 49 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 54. Windy, with a south wind 23 to 30 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 around 25 mph, with gusts as high as 41 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 51. Breezy, with a south southwest wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Showers. High near 53. South wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 46. South southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers before 10am. Partly sunny, with a high near 50.

Saturday Night

Mostly clear, with a low around 42.

Sunday

Mostly sunny, with a high near 49.

Sunday Night

Mostly clear, with a low around 40.

Monday

Sunny, with a high near 49.

Monday Night

Mostly clear, with a low around 41.