Philadelphia December 18, 2017 5:45 am NBC10 First Alert Weather: Mild Start to the Work Week NBC10 meteorologist Bill Henley is tracking a seasonably mild start to the last work week before Christmas. US & World Videos 1:58 Getting a taste of summer weather 1:59 Feeling like summer this week 2:27 Feeling like summer 2:52 Spring-like conditions on the way 2:51 Cloudy with a chance of rain for your Saturday