First Alert Forecast August 20, 2020 5:25 am First Alert Forecast: Mountain and Desert Storms Another day of extreme heat a possible storms. Belen De Leon has the forecast for Thursday Aug. 20, 2020. US & World Videos 3:44 First Alert Forecast: Nice Weather Continues 3:46 First Alert Forecast: Beautiful Week Ahead 3:18 First Alert Forecast: Breezy Sunday 3:31 First Alert Forecast: Mostly Cloudy Saturday 3:12 First Alert Forecast: Rain this weekend