First Alert Forecast May 1, 2021 9:01 am First Alert Forecast: Cooler Temperatures Heat won’t return until next week. Shanna Mendiola has the forecast for Saturday May 1, 2021. US & World Videos 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 3:49 First Alert Forecast: Cloudy & Drizzly Thursday 3:03 First Alert Forecast: Sweater weather