weather forecast August 27, 2020 5:21 pm NBC10 First Alert Weather: Muggy and Stormy Friday Ahead We’re in for muggy and stormy conditions on Friday. NBC10 First Alert Weather meteorologist Krystal Klei has the forecast. US & World Videos 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 2:36 Back to spring temperatures