November 20, 2014 8:16 pm NBC10 First Alert Weather: Changes Ahead NBC10 First Alert Weather chief meteorologist Glenn “Hurricane” Schwartz says tonight will be cool and clear, but the arctic air will be in by morning. 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