First Alert Forecast December 21, 2021 6:15 am First Alert Forecast: Wet Weather Is on the Way For the Holidays Rain could complicated holiday travel plans, as separate systems move through SoCal throughout the week. Belen De Leon has the forecast for Tuesday, Dec. 21, 2021. US & World Videos 3:12 First Alert Forecast: Rain this weekend 3:46 First Alert Forecast: Weekend Sprinkle Chance 3:47 First Alert Forecast: Morning Clouds & Fog 3:03 First Alert Forecast: More Clouds & Fog 3:50 First Alert Forecast: Patchy Fog Returns