First Alert Forecast March 5, 2021 5:15 am First Alert Forecast: Cool Weekend Ahead Clouds will increase by Sunday. David Biggar has the forecast for Friday March 5, 2021. US & World Videos 3:50 First Alert Forecast: Patchy Fog Returns 3:13 First Alert Forecast: Expect sunny and warm temperatures 3:06 First Alert Forecast: Warm weather ahead 3:07 First Alert Forecast: Patchy clouds and fog 2:59 First Alert Forecast: Windy Friday with possible showers