Philadelphia June 30, 2019 7:26 pm First Alert Weather: Mostly Sunny, But Hot, Week Ahead Monday will be nice, but after that the second heat wave of the summer will begin — and there will be scattered storms, too, says First Alert Meteorologist Steve Sosna. US & World Videos 2:41 The weekend kicks off with mostly cloudy skies and passing showers 2:31 Back to cooler temperatures 2:36 Back to spring temperatures 3:09 Departure from hot weather with cloudy conditions and cooler temps 3:04 Seasonable temperatures return to end the week
