May 13, 2020 4:53 pm NBC10 First Alert Weather: Warm Air on the Way Warm air is moving in across the region, but along with the heat will come a storm threat. US & World Videos 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 2:36 A summer preview