It remained only 5 percent contained, they said. The blaze prompted Gov.
In Northern California, a Butte County wildfire swept through grassy foothills and destroyed 10 structures and caused several injuries.
On the Central Coast, two blazes burning in San Luis Obispo and Santa Barbara counties have forced almost 8,000 people to flee as flames gutted more than two dozen structures.
Due to the close proximity of both fires, Cal Fire is in coordination with Santa Barbara County Fire Department, U.S. Forest Service and the Los Padres National Forest by sharing air and ground resources as the priorities change for both fires.
Red flag warnings have been issued across six states in the West, where firefighters continue to battle dozens of large blazes.
"The sky sure is brown", said Therese Vannier of Goleta, California, in Santa Barbara County, on Monday. During that same period previous year, CAL FIRE reported 2,270 fires that burned 30,500 acres.
In Washington, the Dry Creek fire forced a highway to be closed after rapidly growing to 500 acres.
In Santa Barbara County some 1,000 firefighters were racing to contain the Alamo fire - which prompted some 200 people in a remote area to flee - with help from water-dropping helicopters.
The fire has claimed more than 7,800 acres and was only 5% contained Sunday night, Cal Fire tweeted.
CAL FIRE spokesperson Kyle Weed said, "After we have all that solar heating all those fuels are pre-heated to make the fire active again".
The fire was 50 percent contained Monday morning.
In the image, three firefighters in Oroville, California, appear to be saving an American flag from the impending fire on Saturday.
The dense, decades-old chaparral and oak forest has been further stressed by drought in the last few years.
As of this morning, almost 85 National Guard members were involved in firefighting operations in Arizona, Colorado and Wyoming, National Guard Bureau officials said.
They were in Oroville on Friday afternoon when the fire broke out and roads to their hillside home were blocked. The blaze quickly spread to over 12 square miles by Monday morning with 5 percent containment.
The Whittier Fire was very active all day Sunday and into the evening and as of 10:30 p.m. a mapping aircraft observed intense heat along most of the perimeter. An additional five structures were damaged.
About 90 children and 50 counsellors were at the Circle V Ranch and had to take shelter there until they could be safely evacuated.
Parkfield fire: The blaze in Monterey County has charred 1,816 west of Parkfield.
Reginald Varnado, another camper with Outdoor Afro, said he spotted smoke from the fire, and told other campers in the group to start packing up.