Philadelphia May 5, 2018 11:58 pm NBC10 First Alert Weather: Cloudy Sunday Ahead We’re in for a cloudy and partly rainy Sunday. NBC10 First Alert Weather meteorologist Steve Sosna has the forecast. US & World Videos 1:50 Overall it looks like a winning Memorial Day weekend weather forecast 2:26 Warm stretch continues into Memorial Day weekend. When might it rain? 2:01 Your Memorial Day weekend weather forecast 3:16 Nice temps stick around with some spotty rain chances 1:58 Inside all the fun and festivities at the 10th annual Weather Education Day