July 1, 2011 6:14 pm Philadelphia Independence Day Weekend Forecast Glenn says we’re in for some possible rain and thunderstorms this Holiday weekend. US & World Videos 3:54 NJ farm, other local growers face challenges due to climate change 3:04 Frost advisory in place overnight until Tuesday morning 3:12 Showers, storms, gusty winds heading into weekend 3:05 Strong winds and heavy rain 3:32 Time to bring out the umbrellas: Thunderstorms, heavy rain expected for end of work week