There are more than 32,000 people still evacuated across the state and almost 300,000 acres actively burning.
The fire, which is almost twice the size of Sacramento, was only partially contained after more than a week.
In another sign the crisis in Redding was ebbing, law enforcement officials said the last four people reported as missing among a list of 20 whose names were published on Tuesday were located safe and sound on Wednesday.
Six people, including two firefighters, have died and the fire has destroyed 1060 homes and almost 500 other buildings, including barns and warehouses, making it the sixth most destructive wildfire in California history, state fire officials said. Jerry Brown and other state officials Wednesday warned California residents to be prepared for larger and more destructive wildfires this year.
More than 4,000 fire personnel are battling the flames, but triple-digit heat, shifting winds, dry fuel and steep terrain are working against them, officials said.
His main message focused on the devastation from wildfires seen across California that will only get "worse in the coming years".
Tens of thousands of people remain under evacuation orders.
Watch an aerial video of the California fires.
California Gov. Jerry Brown said Wednesday that fires have become the new normal in California due in large part to the changing weather.
North of San Francisco, residents from about 60 homes were evacuated as a fire near the Mendocino National Forest erupted late Tuesday.
A fire that struck Tuesday afternoon in Mendocino County continued to burn unchecked Wednesday morning, estimated at 1,000 acres, according to Cal Fire.
The fire is believed to have been started by a malfunctioning auto on July 23.
A plane battling the Ferguson Fire passes the setting sun in unincorporated Mariposa County California, near Yosemite National Park, on July 15.
The fire is 196 square miles - more than three times the size of the city of Redding. Together the fires have burned almost 95,000 acres and are 24% contained.