First Alert Forecast March 7, 2021 8:04 am First Alert Forecast: Mostly Cloudy Cool temperatures with cloudy skies. Shanna Mendiola has the forecast for Sunday, Mar. 7, 2021. US & World Videos 3:18 First Alert Forecast: Breezy Sunday 3:31 First Alert Forecast: Mostly Cloudy Saturday 3:12 First Alert Forecast: Rain this weekend 3:46 First Alert Forecast: Weekend Sprinkle Chance 3:47 First Alert Forecast: Morning Clouds & Fog