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 3:18 First Alert Forecast: Breezy Sunday 3:31 First Alert Forecast: Mostly Cloudy Saturday 3:12 First Alert Forecast: Rain this weekend 3:46 First Alert Forecast: Weekend Sprinkle Chance 3:47 First Alert Forecast: Morning Clouds & Fog