On Saturday, rescuers in military helicopters airlifted 207 people to safety after flames trapped them in a wooded camping area northeast of Fresno.
In Southern California, crews scrambled to douse several fires that roared to life in searing temperatures, including one that closed mountain roads in Angeles National Forest. Cal Fire said a blaze in San Bernardino County called the El Dorado Fire started Saturday morning and was caused by a smoke-generating pyrotechnic device used by a couple to reveal their baby's gender.
A fire in the Angeles National Forest forced the evacuation of Mount Wilson Observatory.
In eastern San Diego County, a fire destroyed at least 10 structures after burning 16 square miles and prompting evacuations near the remote community of Alpine.
Daytime temperatures in fire zones neared or exceeded triple digits. Downtown Los Angeles reached 111 degrees on Sunday and a record-shattering high of 121 degrees was recorded in the nearby Woodland Hills neighborhood of the San Fernando Valley. It was the highest temperature ever recorded in Los Angeles County, according to the National Weather Service.
Meanwhile, downtown San Francisco set a record for the day with a high of 100 on Sunday, smashing the previous mark by 5 degrees.