Mandatory evacuations remain in place across the state for around 11,120 individuals.
Clark's bail was set at $1 million dollars, and he could face up to life in prison if convicted.
"We are expecting that there will be more fire-starts today", Jeremy Grams, lead forecaster with the National Weather Service's Storm Prediction Center in Oklahoma, said in an interview on Saturday. The fire is burning near the Mendocino National Forest, about 140 miles northwest of Sacramento.
California Gov. Jerry Brown declared a state of emergency for Orange and Riverside counties, and several school districts have canceled classes due to fire warnings and unhealthy air quality.
"The significant challenge for the Ranch Fire is the terrain it's starting to burn into".
Erdogan vows action against 'economic terrorists' over lira plunge
Last Friday, President Donald Trump said he has authorised the doubling of steel and aluminium tariffs "with respect to Turkey ". There is no economic reason ... "The aim of the operation is to make Turkey surrender in all areas from finance to politics".
More than a dozen wildfires are currently burning in California right now. The Ranch Fire began on July 27, taking just 17 days to chew through an area more than 10 times the size of San Francisco.
The second biggest is the Carr Fire in Shasta County, also in Northern California. In all, it has burned 295,970 acres, putting it on track to become the state's first single 300,000 acre fire. It has consumed 201,680 acres so far and is 61% contained.
On Monday Secretary of the Interior Ryan Zinke will visit Redding to review efforts to battle the Carr Fire.
"Wow. This used to be the neighborhood of some of my employees".
Santaquin City Fire and EMS wrote: "One of our brothers working the #MendicinoComplex fire with the Utah Task Force won't be coming home to his family. My heart and gratitude goes out to all of them", Zinke tweeted.