First Alert Forecast April 18, 2024 6:16 am First Alert Forecast: Subtle changes Temperature dip a little closer to normal. Belen De Leon has the forecast for Thursday April 18, 2024. US & World Videos 3:21 First Alert Forecast: Slowly clearing marine layer 3:37 First Alert Forecast: Cool Wednesday 3:38 First Alert Forecast: More May Gray 3:04 First Alert Forecast: Temperatures in the 70s 2:11 First Alert Forecast: May Gray into sunny skies