After a weekend of reprieve allowing fire teams to continue making progress battling the deadly infernos burning in Los Angeles County, Southern California now faces another round of fire-fueling Santa Ana winds.

The massive Palisades Fire broke out in Los Angeles on Tuesday afternoon, prompting mandatory evacuations affecting tens of thousands of people and highway closures. Later Tuesday, the Eaton Fire broke out in the foothills of Pasadena on the other side of Los Angeles County.

Fires across the Los Angeles area have killed at least 24 people and destroyed more than 12,000 structures, officials said, scorching more than 60 square miles and displacing tens of thousands of people.

Dozens of people are believed to have died in the Palisades and Eaton fires, which have burned down whole swaths of communities

A “particularly dangerous situation” red flag warning for fire weather was set to kick in at noon Monday and last until 10 a.m. Tuesday.

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SHE JOINS US LIVE FROM ALTADENA, THE PLACE OF THE EATON FIRE. AND THERE’S JUST SO MUCH DESTRUCTION. ANDREA. LISA, IT’S JUST YOU DON’T EVEN UNDERSTAND HOW BAD IT IS UNTIL YOU’RE HERE ON THE GROUND. WE’RE SEEING THE DEVASTATION FIRSTHAND.

In Altadena, one of the communities hit hardest by the Eaton Fire, a majority of residents were now able to go back to their homes as of Monday with proper identification, the Los Angeles County Sheriff’s Department said in an alert. Officials advised caution as there’s toxic debris in these area.

Southern California is bracing for an "unprecedented" third Particularly Dangerous Situation warning in a month, as extreme Santa Ana winds increase fire danger.

Another round of fire-fueling Santa Ana winds is lashing Southern California after a brief weekend reprieve helped crews make more progress battling the deadly infernos in Los Angeles County.

Firefighters face the threat of another "particularly dangerous situation" weather warning that could affect growing efforts to contain the Palisades and Eaton fires, and could spark new wildfires.