weather forecast December 13, 2021 5:41 pm NBC10 First Alert Weather: Mild and Warmer Week Ahead We’re in for mostly mild and warmer conditions this week. NBC10 First Alert Weather meteorologist Brittney Shipp has the forecast. US & World Videos 2:43 Philly is warmer than Miami, Florida, Monday 2:06 Feeling like summer 2:36 A summer preview 2:50 One more cool day, then warmer weather ahead 3:15 Cold night, then a big warmup this weekend