Philadelphia May 25, 2018 5:18 am NBC10 First Alert Weather: Mixed Bag for Memorial Day Weekend NBC10 First Alert Weather meteorologist Bill Henley is tracking a humid and, at times, wet Memorial Day weekend ahead. US & World Videos 3:08 One more warm day before temperatures drop over the weekend 2:40 How long will this summer-like warmth last? 2:14 The summer preview continues 2:16 Clearing out, warming into the 80s 3:04 Another hot day with chance for isolated morning showers