Philadelphia August 19, 2019 7:47 am Muggy Monday, Storms to Come NBC10 First Alert Weather meteorologist Bill Henley has issued a First Alert Monday through Wednesday for intense heat and potentially severe storms. US & World Videos 3:18 Summer-like temps and isolated showers 3:21 Rain and stormy weather is likely for Thursday 3:02 Showers in the forecast for Memorial Day weekend 2:26 A summerlike day with highs in the 80s 2:27 Feeling like summer again