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 DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

58°F

14°C

Humidity	76%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	24 Dec 08:43 PM PST

More Information:

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

Extended Forecast for

2 Miles NE San Francisco CA

Flood Watch December 24, 09:22pm 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, 09:22pm until December 26, 10:00pm
High Wind Warning until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 54 °F
Showers and
Windy
Christmas Day
High: 56 °F
Severe
Thunderstorms
and Breezy
Thursday Night
Low: 53 °F
Severe
Thunderstorms
and Windy
then Showers
and Breezy
Friday
High: 54 °F
Showers
Friday Night
Low: 48 °F
Showers
Likely then
Chance
Showers
Saturday
High: 51 °F
Slight Chance
Showers
Saturday Night
Low: 45 °F
Mostly Clear
Sunday
High: 51 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 54. Windy, with a southeast wind around 31 mph, with gusts as high as 48 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 56. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 36 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 53. Windy, with a south southwest wind 23 to 30 mph, with gusts as high as 49 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 13 to 15 mph, with gusts as high as 21 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 between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 48. South southeast wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers. Mostly sunny, with a high near 51.

Saturday Night

Mostly clear, with a low around 45.

Sunday

Mostly sunny, with a high near 51.

Sunday Night

Mostly clear, with a low around 44.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 44.