The Hughes, Sepulveda and Laguna fires are among the latest blazes for Southern California during a fourth consecutive day of red flag fire weather warnings.
A Red Flag Warning remained active for inland and mountain communities through Friday morning, which means it could be another busy day for local fire crews.
High fire danger warnings have been a recurring theme for Los Angeles in January. Here's a look at how many red flag warnings were issued this month.
"A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly," the NWS said.
Another blast of Santa Ana winds Thursday prompted San Diego Gas & Electric to cut off electricity to thousands of residents in another of a wave of power outages that have continued off and on for two weeks.
A critical fire threat will continue across County as Santa Ana winds and dry conditions persist through early Friday, according to the National Weather Service.
"If fire ignition occurs, conditions are favorable for very rapid fire spread and extreme fire behavior," the NWS warns.
As wildfires continued to burn in Los Angeles, several new fires broke out in San Diego County, prompting evacuation orders and warnings.
Nearly 100,000 San Diegans could loose power during the next round of power shutoffs after the National Weather Service issued another Red Flag Warning for the region for Monday and Tuesday as Santa Ana winds return.
A red flag warning has been issued for the Inland Empire and some cities in the Coachella Valley as strong gusty winds and low humidity are expected early next week. The warning is in effect from 10 a.
Another round of Santa Ana winds in the forecast led to the extension of a Red Flag Warning for parts of San Diego County.