Philadelphia August 13, 2022 6:36 pm First Alert Weather: Enjoy A Phenomenal Weekend A picture perfect Sunday is prepped for all of your outdoor activities to endcap the weekend. NBC10 First Alert meteorologist Steve Sosna has your most accurate forecast. US & World Videos 2:46 The cold snap continues 2:27 Another day of bitter cold 2:26 Bitter cold continues 2:54 Dangerous cold temperatures continue 3:23 Lows drop to single digits with cloudy skies