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

San Francisco Bay Oakland International Airport (KOAK)

Lat: 37.72126°NLon: 122.22115°WElev: 9.0ft.

Overcast

56°F

13°C

Humidity	83%
Wind Speed	SW 11 MPH
Barometer	29.63 in (1003.39 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	24 Dec 07:53 AM PST

More Information:

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

Extended Forecast for

San Leandro CA

Flood Watch December 24, 08:00am until December 26, 10:00pm

Wind Advisory December 24, 08:00pm until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 24, 08:00am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Today
High: 61 °F
Showers then
Severe
Thunderstorms
Tonight
Low: 53 °F
Severe
Thunderstorms
Christmas Day
High: 58 °F
Severe
Thunderstorms
then Showers
Thursday Night
Low: 50 °F
Severe
Thunderstorms
Friday
High: 57 °F
Showers
Friday Night
Low: 44 °F
Showers
Likely then
Chance
Showers and
Patchy Fog
Saturday
High: 56 °F
Chance
Showers and
Patchy Fog
Saturday Night
Low: 39 °F
Mostly Clear

Detailed Forecast

Today

Showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 61. South southeast wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 53. South southeast wind 15 to 20 mph, with gusts as high as 44 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 58. South wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation 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 50. South wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers, with thunderstorms also possible after 4pm. High near 57. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 30 percent chance of showers, mainly before 10am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 56.

Saturday Night

Mostly clear, with a low around 39.

Sunday

Sunny, with a high near 55.

Sunday Night

Mostly clear, with a low around 39.

Monday

Sunny, with a high near 56.

Monday Night

Mostly clear, with a low around 40.