Areas inland from the San Francisco Bay Area could reach 115 degrees, a temperature last seen in 1950, forecasters said.
A heat wave hit California which has resulted in record-high temperatures in San Francisco.
Bay Area Rapid Transit spokeswoman Alicia Trost says the rail line was reducing its speed until late Saturday because hot weather can expand and shift metal tracks.
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.
Only one home has burned and no one has been injured as the blaze that as of Saturday had grown to more than 5,000 acres and prompted evacuation orders for more than 700 homes in Los Angeles, Burbank and Glendale. At almost 8 square miles (21 square kilometers), the fire had charred more land than any other in Los Angeles’ history, Mayor Eric Garcetti said. Three structures had burned, at least two of them homes, but fire officials said they were confident they could tame the blaze unless winds picked up.
Triple-digit days in the Los Angeles area are expected to drop into the 90s for the weekend, before dropping more dramatically next week.
“It’s very unsettling”, she said as she watched, already having packed her vehicle in case officials ordered her street to evacuate.
“It’s very unsettling”, she said by telephone as she watched flames that she said had reached within 200 feet of her house. The warmth extended up the West Coast and into mountain states.
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.
Vineyards moved their wine harvest to the cool of night and transit trains slowed for fear that some of the hottest weather in San Francisco Bay Area history would warp rails Saturday, as stifling temperatures and the smoky pall of wildfires marked an unofficial end to summer across the U.S. West.
The weather service again urged area residents to protect themselves and their loved ones from such heat-related illnesses as heat strokes by avoiding strenuous work during peak temperatures, staying hydrated, wearing lightweight, light-colored clothing, checking on friends and neighbors – especially the elderly – and by never leaving children, seniors or pets in cars parked in hot weather, even for a short time and even with windows cracked open.
Ice water stations were set up and dozens of people, many of them homeless, were taking shelter Friday.
The California Independent System Operator, which manages the state’s power grid, issued a statewide Flex Alert for Friday, and continue to call for voluntary electricity conservation.
California fire officials said Saturday the wildfire entered the Nelder Grove late Friday night. “Today it was very hot and I just couldn’t work”.