Philly Weather December 21, 2024 9:58 am Chilly first day of winter It’s a cold first day of winter and tomorrow is set to be even colder! NBC10 First Alert meteorologist James Gregorio explains how low the temperatures will go. US & World Videos 3:12 Cold and sunny Sunday ahead 4:10 Bundle up! Feels-like temperatures down to the teens, single digits next few days 3:30 Brace for bitter cold this weekend 3:38 Tracking snow and rain across the region 2:03 Tracking chilly rain, light snow ahead of biting cold
