Philadelphia March 16, 2017 12:12 pm NBC10 First Alert Weather: Slight Warm-Up NBC10 First Alert Weather meteorologist Bill Henley has the forecast for the next 10 days including warmer temps for the first day of spring. US & World Videos 2:35 Warm trend continues, but rain is on the way 2:47 The string of warm days continues 2:32 Warm spring days feeling more like summer 2:43 Philly is warmer than Miami, Florida, Monday 2:06 Feeling like summer