Philadelphia June 25, 2019 5:24 pm NBC10 First Alert Weather: First Heatwave of the Summer Hits This Week The first heatwave of the summer hits this week with low 90s expected and high humidity. NBC10 First Alert Weather chief meteorologist Tammie Souza has the forecast. US & World Videos 2:36 A summer preview 3:10 Summer-like temps for most the area, except by the shore 3:33 Summer-like temperatures continue 2:39 Gloomy Sunday morning expected to clear for sunny afternoon 2:50 One more cool day, then warmer weather ahead
