First Alert Forecast July 30, 2020 5:34 am First Alert Forecast: Heat Warnings Temperatures are heating up. Belen De Leon has the forecast for Thursday July 30, 2020. 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