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 3:39 First Alert Forecast: Beautiful Saturday 1:39 Rain, hail bring flash flood concerns for Line Fire burn scars 3:07 First Alert Forecast: Weekend weather outlook 3:48 First Alert Forecast: Friday Storm Chance 3:12 First Alert Forecast: Morning drizzle followed by below-normal temperatures