In addition to Sonoma County's Kincade Fire, a brush fire near Los Angeles' Getty Center forced 10,000 homes and businesses to evacuate, reports usatoday.com.
Actor Arnold Schwarzenegger, the state's governor from 2003 to 2011, tweeted to informs fans that he had evacuated his residence at 3:30 am.
"If you are in an evacuation zone, don't screw around. Get out," he said. "Right now I am grateful for the best firefighters in the world, the true action heroes who charge into the danger to protect their fellow Californ. #GettyFire"
His ex, journalist and author Maria Shriver, also shared that she had fled her home.
"So grateful to our firefighters putting their lives on the line for all of us. We have evacuated, but we're safe. Praying for our neighbors," Shriver tweeted.
The Hollywood premiere of Schwarzenegger's new film, "Terminator: Dark Fate", which was planned to take place on Monday night, was cancelled due to "ongoing, active fires being battled in the area", according a release from Paramount Studios.
Food from the planned after-party was donated to the Red Cross.
Actress Kristin Davis shared a startling photo of flames and an orange sky.
"This is what we woke up to. We are safe children and dogs. Thank you @LAFDwest and please everyone leave if you are in (evacuation) area. Stay safe," she said.
Responding to LeBron James' revelation that he had to evacuate and was having "no luck" looking for a place to stay, actor Ryan Phillippe replied "same."
The Today show reported that NBC's Natalie Morales was forced to leave her home. Morales shared a photograph of the scene with Twitter followers, captioning it as the "view from the porch of our LA home."
Other celebrities extended their thoughts to those affected by the fire.
"All my friends in LA, I love you, stay safe, please leave with your pets if you are told you need to," posted Busy Philipps.
Actress Kirstie Alley called the scene "devastating."
"I hope no one gets harmed. We gotta find a way to prevent these," she wrote. "I hope we can."
Filmmaker Ava DuVernay wished "Blessings and safety to all those touched in any way by the fires in my beloved home state of California. Stay safe, folks. Be prepared and take precautions."
"Tonight I am thinking of all those displaced in California and the valiant firefighters holding the line against raging infernos," Dan Rather posted Sunday night.
"To all in danger, heed warnings to evacuate. And know the rest of the country stands with you ready to help."
( With inputs from IANS )