The Klamathon Fire has burned 9,600 acres in California and parts of southern OR, and is one of about 10 fires raging in the state, fueled by rising temperatures and gusty winds.
A fire that jumped across Interstate 5 south of the OR border in California has closed the southbound lanes in that area, authorities said.
Cal Fire reported that between January 1 and July 1 it has responded to 2,626 fires that have blackened 53,024 acres.
Fire firefighters spent the night and morning in pitched battle against the Holiday fire, which exploded Friday night in 100-degree temperatures and risky "sundowner" winds that made the blaze impossible to control.
The owners of the 48-acre Campbell Creek Ranch in Alpine told NBC San Diego that they were watching the World Cup when the TV froze and they realized they had to evacuate.
In an unrelated incident, officials say a woman died and three homes burned in a blaze that may have been started by fireworks in Springfield, Oregon. In a Friday afternoon press conference, Cal Fire Chief Daryll Pina said that there have been "multiple reports of structures destroyed and damaged", but did not give an official estimate.
Santa Barbara County said 10 to 20 structures had burned and 2,000 people were evacuated.
Hundreds of firefighters, from Santa Barbara County and throughout the region, including San Luis Obispo County, are on scene to fight the fire, along with more than 30 engines and support aircraft.
Crews also had 50 percent containment of a southwestern Colorado fire that has blackened 85 square miles north of Durango.
The state's latest fire broke out Friday in San Diego County.
Numerous structures continue to burn but Zaniboni says the forward spread of the fire has been stopped. It was 42 percent contained by Saturday morning. The blaze has burned about 75 square miles and destroyed 90 structures, including homes, cabins, sheds and garages, since starting Sunday in the mountains.
The largest fire burning in the state is known as the County Fire, and has scorched more than 88,000 acres in Napa and Yolo counties.