First Alert Forecast August 3, 2020 5:27 am First Alert Forecast: Marine Layer Moves In Cooler weather is on the way. Belen De Leon has the forecast for Monday Aug. 3, 2020. US & World Videos 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 3:46 First Alert Forecast: Weekend Sprinkle Chance