First Alert Forecast March 21, 2023 5:29 am First Alert Forecast: Possible Thunderstorms Hitting SoCal A late season storm is bringing another round of heavy rainfall with floods but this time, there is a chance of possible thunderstorms. US & World Videos 2:28 First Alert Forecast: Chilly temperatures 3:05 First Alert Forecast: Cooler Thursday 3:25 First Alert Forecast: Critical fire weather 3:50 First Alert Forecast: Breezy Wednesday 3:42 First Alert Forecast: Winds & Fire Danger