Philadelphia August 28, 2018 12:10 pm NBC10 First Alert Weather: Brutal Heat NBC10 First Alert Weather meteorologist Krystal Klei is tracking oppressive conditions that have us in a First Alert. US & World Videos 3:02 Runners can expect a wet, rainy Sunday morning 2:36 Gloomy weather sticks around for Sunday's Broad Street Run 2:44 Cloudy, chance for rain this weekend 2:41 The weekend kicks off with mostly cloudy skies and passing showers 2:31 Back to cooler temperatures