Gusts of up to 70 mph are possible along the coast and valleys, and in the mountains, up to 100 mph, the National Weather Service said. Swaths of Los Angeles County, and most of Ventura County, are at the highest risk.

Southern California braces for a ferocious return of fire danger as the National Weather Service issues its most urgent warning for extreme fire weather.

A rare Particularly Dangerous Situation warning has been issued for Southern California as a powerful and potentially damaging Santa Ana wind event​ is expected.