Philadelphia September 18, 2018 8:49 am NBC10 First Alert Weather: Heavy Rain Could Cause Floods NBC10 First Alert Weather meteorologist Brittney Shipp has issued a First Alert for potential downpours across the Philadelphia region through Monday night. US & World Videos 2:22 Another warm day as high temps flirt with record 2:55 One more warm day before temps drop and rain returns 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