A 1962 Ferrari 250 GTO is sold for $48.4 million at an auction in California, making it the most expensive car ever sold through auction.
- At least 11 people have been killed and more than 150,000 evacuated as two big wildfires rage in California, the Camp Fire in Butte County and the Hill Fire in Ventura.
- At least 12 people, including a police sergeant, are killed while ten others are injured by a gunman at the Thousand Oaks Borderline Bar and Grill in Thousand Oaks, California at around 11:15 PM PST (UTC-8). The gunman committed suicide at the end of the attack after a stand-off with police.
- A federal court in California blocks the Trump administration from terminating the Temporary Protected Status program that allows immigrants from four countries to live and work in the United States.
- The Pacific Gas and Electric Company, a major California utility based in San Francisco, announces they temporarily turned off power to 60,000 customers in 12 Northern California counties due to threats of wildfires. Red flag warnings are issued to 22 million people in the state.
- The United States Forest Service says that the Mendocino Complex Fire, largest wildfire on record in California, has been contained.