First Alert Forecast March 13, 2021 8:43 am First Alert Forecast: Clear and Cool Dry and cold with the highest temperatures in the 60s. Shanna Mendiola has the forecast for Saturday, Mar. 13, 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