First Alert Forecast March 31, 2020 6:09 am First Alert Forecast: Temperatures Continue to Climb Expect temperatures in the mid-70s. Shanna Mendiola has the forecast for Tuesday March 31, 2020. US & World Videos 3:50 First Alert Forecast: Back to Slow Clearing 1:30 First Alert Forecast: Flower Moon 3:17 First Alert Forecast: Wednesday Sunshine 3:40 First Alert Forecast: Earlier Clearing 3:00 First Alert Forecast: Sunday forecast