May 18, 2011 4:44 pm 4 p.m. Severe Weather Forecast Philadelphia Glenn Hurricane Schwartz’s 4 p.m. severe weather update as thunderstorms move across the region. 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