April 15, 2019 5:57 am First Alert Weather: Flood Threat Drenching rains are causing a flooding threat for large parts of the Philadelphia region. 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