03 September, 2017
The National Weather Service says San Francisco's temperature has reached 106 degrees Fahrenheit (41 degrees Celsius), breaking an all-time record high.
In the North Bay temperatures will be similar to Friday, and in the inland East Bay it could be even warmer with some spots seeing up to 115-degree heat, said Drew Peterson, a forecaster with the National Weather Service in Monterey.
An excessive heat warning was still in place for the area, with officials advising people to stay hydrated and to seek shelter in places with air conditioning.
The region was so hot that officials with the Bay Area Rapid Transit system ordered trains to slow down on rails that were exposed to sun, expecting the heat would expand and possibly shift the metal track slightly, spokeswoman Alicia Trost said.
Firefighters in Los Angeles are working to contain a blaze that chewed through brush-covered mountains just north of downtown, growing to almost 8 square miles and prompting mandatory evacuations for several hundred homes.
In Los Angeles, hundreds of firefighters battled flames that chewed through almost 8 square miles (20 kilometers) of brush-covered mountains as authorities issued mandatory or voluntary evacuation orders for more than 700 homes in Los Angeles, Burbank and Glendale.
No injuries have been reported, and one home has burned, officials said.
Los Angeles resident Tracy Goldman had her vehicle packed in case officials ordered her street to evacuate.
Resident Tracy Goldman said flames were about 200 feet from her house - where the earlier fire burned across the street.
Officials said that if winds do not pick up, they were confident they could confine a blaze that was just 10 percent contained.
Triple-digit temperatures in the Los Angeles area are expected to drop into the 90s for the weekend, before falling more dramatically next week. The warmth extended up the West Coast and into mountain states.
A red flag warning for an increase in fire danger was also issued for parts of the region.
In the Pacific Northwest, high temperatures and a lack of rain this summer have dried out vegetation that fed on winter snow and springtime rain. About 3,800 homes were threatened, authorities said. Smoke from at least a dozen wildfires burning in Northern California is drifting into Bay Area skies and contributing to the unhealthy air.
A weeklong heat wave generated by high pressure over the West was nearing its peak, the National Weather Service said.
Dozens of cooling centers opened throughout California, schools let students out early and outdoor events were cancelled as temperatures soared from a heat wave expected to last through the Labor Day weekend. "Today it was very hot and I just couldn't work", said Ogburn, who lives in Sunnyvale, California.