This is due to fast winds with gusts up to 50 mph and minimum humidity as low as 10 percent.
However, the warnings in the Los Angeles and San Diego areas will remain in effect until Wednesday.
This warning means the wildfires could spread quickly into the Sacramento Valley and the Bay Area.
Yosemite National Park and Southern California near Los Angeles and San Diego could also be at risk, according to the National Weather Service.
Cal Fire has described the state as being in “critical fire weather” and people in affected areas are being urged to take precautions while outdoors.
The National Weather Service has advised people not to use devices that create sparks, or to drive into dry grass.
Three major California wildfires have started since Thursday, including Camp Fire, which has killed at least 29 people and the Woolsey Fire, which has killed two.
Hill fire is a lot smaller and has burned across 4,531 acres.
The Camp Fire – also known as Paradise Fire – has burned 111,000 acres across Northern California and was 25 percent contained on Sunday morning.
The Woolsey fire is 15 percent contained.
More than 300,000 people have now been evacuated across California.
Los Angeles County has seen the biggest amount of evacuations, as 170,000 residents have fled their homes.
Over in Malibu, celebrities including Neil Young, Robin Thicke and Gerard Butler have also lost their homes.