First Alert Forecast April 5, 2021 5:59 am First Alert Forecast: Temperatures in the 70s, Warmer Inland Valleys and the IE can expected 80-degree heat. Belen De Leon has the forecast for Monday April 5, 2021. US & World Videos 3:47 First Alert Forecast: Warming Up 2:56 First Alert Forecast: Morning clouds and fog 3:20 First Alert Forecast: Weekend outlook 3:37 First Alert Forecast: May Gray to June Gloom 2:40 First Alert Forecast: Clouds won't last long