The flames have swallowed some 80,000 acres in just over a day since the "Thomas" fire, now the state's largest, broke out, leaving at least one dead in an area about 45 minutes from downtown LA.
The Getty Center, which has an air filtration system to protect its galleries, is closed Wednesday due to smoke from all the area wildfires.
Other agencies assisting include the U.S. Forest Service, Los Angeles County Fire Department and Cal Fire.
Santa Ana winds, which have exacerbated the fire, will be returning Wednesday night and last through Saturday.
A fire east of the 405 freeway near the Getty Center has closed the 405 freeway in both directions north of the 10 freeway, says the LA Times.
TRT World's Kerry Alexandra has this report.
Photos and videos posted on social media from people near the Skirball Fire showed Armageddon-like conditions near the 405 Freeway.
San Diego County brush fire destroys 20 structures
In a text message, Scolamieri said that the barns on the lower side of the property "appear to be gone". Mandatory evacuations were ordered in the area of West Lilac Road and Sullivan Middle School.
Umansky laid out the real estate still at risk: If the fire reaches Moraga Drive and Linda Flora Drive, it might take out some very expensive homes.
UCLA canceled classes Thursday, and Santa Monica College and all schools in the Santa Monica-Malibu school district were closed. Those in the area were ordered by the Los Angeles Fire Department to evacuate. There's also the Ventura County fire, the Sylmar fire, the Santa Clarita fire and the San Bernardino fire.
"Thousands are under mandatory evacuation orders".
The wildfires sweeping through California have left countless homeowners and businesses scrambling as the blazes continue to grow out of control in various locations throughout the state. The fires have been exacerbated by high winds.
Authorities warned that winds will likely remain strong until Friday.
The Skirball Fire is the latest of many which have been raging in the Southern California area.
US President Donald Trump tweeted a message of "thoughts and prayers" to California as it nears the end of its deadliest year ever for wildfires.