Philadelphia August 14, 2019 12:46 pm First Alert Weather: Gloomy Wednesday NBC10 First Alert Weather meteorologist Glenn “Hurricane” Schwartz is tracking high humidity and scattered thunderstorms for Wednesday. US & World Videos 2:50 One more cool day, then warmer weather ahead 3:15 Cold night, then a big warmup this weekend 3:05 Temperatures to heat up over the weekend 2:05 Warming into the 80s by weekend's end 2:09 Big weekend warm-up expected