First Alert Forecast September 4, 2024 6:47 am High temperatures this week across SoCal An excessive heat warning is in effect across SoCal as high temperatures stick around this week. Annette Arreola reports for the NBC4 News at 6 a.m. on Sept. 4, 2024. US & World Videos 1:18 First Alert Forecast: Red flag warning winds down 2:37 First Alert Forecast: Strong winds and red flag weather 2:17 Winds pick up in Ventura County as Mountain Fire burns more homes 3:54 First Alert Forecast: Strong Santa Ana Winds 3:20 First Alert Forecast: Santa Ana winds