First Alert Forecast December 20, 2020 10:24 am First Alert Forecast: Sunny and Breezy A warmer Sunday for SoCal with highs in the upper 70s to 80 degrees as we wrap up fall. Shanna Mendiola has the forecast for Sunday, Dec. 20, 2020. US & World Videos 3:06 First Alert Forecast: Warm weather ahead 3:07 First Alert Forecast: Patchy clouds and fog 2:59 First Alert Forecast: Windy Friday with possible showers 3:46 First Alert Forecast: Windy Friday 2:51 First Alert Forecast: Cooler weather lingers before weekend warm-up