Philadelphia September 5, 2018 5:20 am NBC10 First Alert Weather: Excessive Heat. NBC10 First Alert Weather meteorologist Krystal Klei is tracking near record temperatures Wednesday. Expect opprssive heat through Thursday. US & World Videos 2:43 Philly is warmer than Miami, Florida, Monday 2:06 Feeling like summer 2:36 A summer preview 3:10 Summer-like temps for most the area, except by the shore 3:33 Summer-like temperatures continue