First Alert Forecast May 20, 2020 5:51 am First Alert Forecast: Temperatures Start to Warm Temperatures will rise into the weekend. Shanna Mendiola has the forecast for Wednesday May 20, 2020. US & World Videos 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 3:46 First Alert Forecast: Windy Friday 2:51 First Alert Forecast: Cooler weather lingers before weekend warm-up