weather forecast 7 hours ago Frost Advisory in effect for parts of the region overnight into Friday A Frost Advisory will be in effect for parts of the region overnight into Friday morning. NBC10 First Alert Weather meteorologist Michelle Rotella has the forecast. US & World Videos 2:49 Tracking 1st frost advisories of the fall 1:53 Crisp fall day under sunny skies 2:04 Milton moves off Florida as chilly temps greet Philadelphians Thursday morning 2:53 Below average temperatures in the mornings expected for rest of work week 3:00 Gorgeous fall weather in Philly region