Philadelphia August 23, 2017 6:54 pm NBC10 First Alert Weather: Sunny Days Ahead A beautiful weekend ahead with plenty of sunshine and clear skies. NBC10 First Alert Weather meteorologist Krystal Klei has your 10-day forecast and is tracking possible storms for later next week. 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