weather forecast August 13, 2021 11:34 pm Stormy Saturday, Then Some Heat Relief Sunday Another round of storms is likely Saturday for the Philadelphia region, but the heat will finally break Sunday. US & World Videos 2:44 One last warm, sunny day before changes this weekend 2:22 Another warm day as high temps flirt with record 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