First Alert Weather September 12, 2022 4:21 pm First Alert Weather: Stormy Night Heavy thunderstorms are expected across the region Monday night. But the good news? They bring a beautiful week ahead along with them. NBC10 First Alert meteorologist Steve Sosna has your most accurate forecast. US & World Videos 3:41 Cold temperatures, clear skies 3:08 Still chilly across the region, warmer days ahead 2:18 Mostly sunny skies across the Philadelphia region 3:14 What's weather looking like for day after Christmas? 0:51 Your Christmas day and 1st night of Hanukkah weather forecast