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.

Firefighters in Southern California are once again battling a wildfire, this time in Castaic in Los Angeles County, north of Los Angeles itself. Evacuation orders have been issued for the surrounding areas.

A new wildfire that erupted in northern Los Angeles County triggered tens of thousands of evacuation orders and warnings.

A brush fire erupted amid powerful winds Wednesday afternoon in the Castaic area in the northern region of Los Angeles County, spreading quickly to 10,176 acres near the freeway, officials said.

Forward progress of the Sepulveda Fire that erupted quickly overnight off the 405 freeway near Getty Center in Los Angeles was contained at 45 acres early Thursday morning. Evacuation orders for that one were lifted.

(CNN) — Southern California ... Santa Ana winds after a brief weekend reprieve from dangerous fire weather helped crews make more progress battling the deadly infernos in Los Angeles County.

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

Nearly two weeks after the start of two of the most devastating wildfires to hit the Los Angeles area, Southern California is under an extreme fire risk warning again.

Southern California will continue to face "dangerous fire weather conditions" including strong Santa Ana winds and extremely low humidity through later this week, forecasters said Tuesday.

The National Weather Service has issued another rare Particularly Dangerous Situation warning in anticipation of Monday's Santa Ana wind event.