First Alert Forecast October 11, 2024 5:21 pm First Alert Forecast: Cooling trend begins Areas of fog develop, a trough of low pressure that’s going to lean towards the south which will bring a cooling a trend to parts of SoCal. US & World Videos 4:12 First Alert Forecast: Deep marine layer 3:51 First Alert Forecast: Inside Slider 3:46 First Alert Forecast: Cloudier & Cooler 2:56 First Alert Forecast: Cooler week ahead 3:40 First Alert Forecast: Finally Feeling Like Fall