Philadelphia January 30, 2019 11:46 pm NBC10 First Alert Weather: Dangerously Cold Temperatures Grip the Region Dangerously cold temperatures have gripped the region. When will we see a warmup? NBC10 First Alert Weather chief meteorologist Tammie Souza has the forecast. US & World Videos 2:36 Back to spring temperatures 3:09 Departure from hot weather with cloudy conditions and cooler temps 3:04 Seasonable temperatures return to end the week 2:44 One last warm, sunny day before changes this weekend 2:22 Another warm day as high temps flirt with record