Red Flag Warning for LA and Ventura: Santa Ana Gusts to 70 mph, Humidity to 5 PercentThe season's first Santa Ana wind event puts much of Los Angeles and Ventura counties under a Red Flag Warning from 6 a.m. Thursday to 10 p.m. Friday, with possible power shutoffs for 125,000 Ventura County customers and the first-ever coordinated closure of Santa Monica Mountains parklands.2026-10-15