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

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Mostly Cloudy

59°F

15°C

Humidity	69%
Wind Speed	S 8 MPH
Barometer	29.61 in (1002.71 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	24 Dec 06:53 PM PST

More Information:

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

Extended Forecast for

2 Miles WNW Dublin CA

Flood Watch December 24, 07:13pm 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, 07:13pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Tonight
Low: 51 °F
Showers then
Severe
Thunderstorms
and Breezy
Christmas Day
High: 55 °F
Severe
Thunderstorms
Thursday Night
Low: 48 °F
Severe
Thunderstorms
and Breezy
then Showers
Likely
Friday
High: 54 °F
Showers
Friday Night
Low: 41 °F
Chance
Showers
Saturday
High: 52 °F
Slight Chance
Showers then
Mostly Sunny
Saturday Night
Low: 36 °F
Mostly Clear
then Patchy
Frost
Sunday
High: 52 °F
Areas Frost
then Sunny

Detailed Forecast

Tonight

Showers, with thunderstorms also possible after 10pm. Some of the storms could be severe. Low around 51. Breezy, with a south southeast wind 16 to 23 mph, with gusts as high as 47 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 before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 55. South southwest wind 16 to 21 mph, with gusts as high as 38 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 before 10pm, then showers likely. Some of the storms could be severe. Low around 48. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 39 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 around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 41. South wind 3 to 5 mph. 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 4am. Otherwise, mostly clear, with a low around 36.

Sunday

Areas of frost before 8am. Otherwise, sunny, with a high near 52.

Sunday Night

Patchy frost after 1am. Otherwise, mostly clear, with a low around 34.

Monday

Areas of frost before 9am. Otherwise, sunny, with a high near 53.

Monday Night

Areas of frost. Otherwise, mostly clear, with a low around 36.