First Alert Weather April 21, 2021 1:05 pm Severe Thunderstorms Moving Through Philadelphia Region NBC10’s Steve Sosna is tracking severe thunderstorms Wednesday afternoon. US & World Videos 3:38 Coldest temperatures we've seen in years move into the Philly region 2:45 How much snow fell in the Philly region and surrounding suburbs? 2:53 Dangerously cold temperatures to grip the region this week 3:43 Icy road conditions, dangerous cold after snow moves out 4:46 Fans celebrate in the snow as the Eagles advance to the NFC Championship Game