Philadelphia July 16, 2019 11:50 pm NBC10 First Alert Weather: Dangerous Heat to Hit the Area This Week A First Alert will be in effect for our area starting Wednesday due to dangerous heat and humidity. NBC10 First Alert Weather chief meteorologist Tammie Souza has the forecast. US & World Videos 3:23 Data shows significant drop in homicides in Philly so far in 2024 0:30 Crews battling rowhome fire in Allentown 2:28 Tensions rise on UPenn's campus as student protestors refuse to show ID to administrators 1:07 Video: Man with autism attacked on SEPTA train, police say 2:04 Pro-Palestinian protests continue at University of Pennsylvania