National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

55°F

13°C

Humidity 82%
Wind Speed SSW 29 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 50°F (10°C)
Visibility 3.00 mi
Last update 25 Dec 04:00 AM PST
Extended Forecast for

Brisbane CA

Flood Watch December 25, 04:30am until December 26, 10:00pm
Wind Advisory December 25, 04:30am until December 25, 10:00am
Flood Advisory December 25, 04:30am until December 25, 05:30am
Flash Flood Warning until December 25, 06:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
Flood Advisory
Flash Flood Warning
  •  
    Flood Watch December 25, 04:30am until December 26, 10:00pm
    Wind Advisory December 25, 04:30am until December 25, 10:00am
    Flood Advisory December 25, 04:30am until December 25, 05:30am
    Flash Flood Warning until December 25, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 52 °F

    Severe
    Thunderstorms
    and Breezy

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 56. Breezy, with a south southwest wind 22 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Severe
    Thunderstorms
    and Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Some of the storms could be severe. Low around 50. Breezy, with a southwest wind 20 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Breezy.
    Severe
    Thunderstorms
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 56. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46. West northwest wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 52. Breezy, with a south southwest wind around 26 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Christmas Day
Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 56. Breezy, with a south southwest wind 22 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Some of the storms could be severe. Low around 50. Breezy, with a southwest wind 20 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 56. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46. West northwest wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Brisbane CA
 37.68°N 122.41°W (Elev. 571 ft)
Last Update:
12:27 am PST Dec 25, 2025
Forecast Valid:
4am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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