Philadelphia July 13, 2017 5:39 am NBC10 First Alert Weather: Dangerous Heat It will be blistering hot Thursday with the heat index hitting triple digits. NBC10 First Alert Weather meteorologist Bill Henley has issued a First Alert due to heat dangers. US & World Videos 2:36 Gloomy weather sticks around for Sunday's Broad Street Run 2:44 Cloudy, chance for rain this weekend 2:41 The weekend kicks off with mostly cloudy skies and passing showers 2:31 Back to cooler temperatures 2:36 Back to spring temperatures
