Cal Fire said that "steep terrain, erratic winds, and previously unburned fuels are contributing to spot fire potential".
The high winds and temperatures that helped drive the Carr Fire - the largest of at least 17 major fires that have ravaged California in recent weeks - have eased somewhat, allowing firefighters to create more containment lines, according to Liam Moriarty, a reporter with Jefferson Public Radio.
It used to be that we'd talk about the impact of fire seasons, but today, it's more like fire years.
The California Department of Forestry and Fire Protection said Wednesday that another 440 buildings including barns and warehouses have also been destroyed by the Carr Fire.
However, authorities who had feared there might be more casualties reported on Wednesday (Thursday NZT) that all those who had been reported missing had been located.
Watch an aerial video of the California fires.
It has destroyed more than 1,550 structures in and around Redding, a city of 90,000 people about 160 miles (260 km) north of the state capital, Sacramento.
- The forward spread of the so-called Western Fire in Mendocino County has been stopped and is 50 percent contained, Cal Fire officials tweeted Wednesday evening.
Fire crews say a auto spark started the fire.
A fire crew from San Luis Obispo County keeps an eye on an advancing wildfire from the perimeter of a residence Tuesday, July 31, 2018, in Lakeport, Calif. Evacuation orders remained in effect Tuesday for the town of Lakeport, the county seat, along with some smaller communities and a section of the Mendocino National Forest.
But their battle to save people's lives and homes have come at a cost. Evacuations were underway for an unspecified number of residents, and more information was expected later Wednesday morning.
"We're in for a really rough ride, and it's going to get expensive, it's going to get unsafe", Brown said.
"This is serious", Brown said.