First Alert Forecast July 4, 2020 7:39 am First Alert Forecast: A Hot Fourth of July Shanna Mendiola has your First Alert Forecast for Saturday, July 4, 2020. US & World Videos 3:47 First Alert Forecast: Morning Clouds & Fog 3:03 First Alert Forecast: More Clouds & Fog 3:50 First Alert Forecast: Patchy Fog Returns 3:06 First Alert Forecast: Warm weather ahead 3:07 First Alert Forecast: Patchy clouds and fog