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, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Rain

58°F

14°C

Humidity	83%
Wind Speed	S 21 MPH
Barometer	29.6 in (1002.37 mb)
Dewpoint	53°F (12°C)
Visibility	7.00 mi
Last update	24 Dec 08:56 PM PST

More Information:

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

Extended Forecast for

2 Miles NNW Pacifica CA

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

High Wind Warning until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

High Wind Warning

Flood Watch December 24, 09:12pm until December 26, 10:00pm
High Wind Warning until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 53 °F
Showers and
Windy
Christmas Day
High: 58 °F
Severe
Thunderstorms
and Breezy
Thursday Night
Low: 54 °F
Breezy.
Severe
Thunderstorms
then Showers
Friday
High: 58 °F
Showers
Friday Night
Low: 48 °F
Showers
Likely then
Chance
Showers
Saturday
High: 55 °F
Chance
Showers
Saturday Night
Low: 44 °F
Mostly Clear
Sunday
High: 55 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 53. Windy, with a south southeast wind 29 to 32 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Christmas Day

Showers, with thunderstorms also possible after 7am. Some of the storms could be severe. High near 58. Breezy, with a southwest wind 25 to 28 mph, with gusts as high as 43 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. Steady temperature around 54. Breezy, with a south southwest wind 23 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Showers. High near 58. 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 and thunderstorms after 10pm. Mostly cloudy, with a low around 48. West wind around 10 mph. 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. Mostly sunny, with a high near 55.

Saturday Night

Mostly clear, with a low around 44.

Sunday

Mostly sunny, with a high near 55.

Sunday Night

Mostly clear, with a low around 43.

Monday

Sunny, with a high near 56.

Monday Night

Mostly clear, with a low around 44.