weather forecast March 21, 2022 3:22 pm NBC10 First Alert Weather: Sunny Start to the Week Then Rain We’re in for a sunny start to the week before rain returns. NBC10 First Alert Weather meteorologist Glenn Schwartz has the forecast. 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