First Alert Forecast July 11, 2021 9:58 am First Alert Forecast: Warm and Humid Moisture in the air causes humidity across SoCal. David Biggar has the forecast for Sunday, July 11, 2021. US & World Videos 3:46 First Alert Forecast: Nice Weekend, Gusty Next Week 3:23 First Alert Forecast: Cooler weekend 2:43 First Alert Forecast: Cloudy & Cooler Friday 3:18 First Alert Forecast: Hottest day of the week 3:47 First Alert Forecast: Thursday Warming