First Alert Forecast December 31, 2020 5:16 am First Alert Forecast: Closing Out 2020 in the 60s Expect cool temperatures into the weekend. David Biggar has the forecast for Thursday Dec. 31, 2020. US & World Videos 3:47 First Alert Forecast: Morning Clouds & Fog 3:03 First Alert Forecast: More Clouds & Fog 3:50 First Alert Forecast: Patchy Fog Returns 3:13 First Alert Forecast: Expect sunny and warm temperatures 3:06 First Alert Forecast: Warm weather ahead