June 30, 2011 11:56 pm EarthWatch 11pm Forecast: June 30 The great weather continues Friday and Saturday before humidity and thunderstorms come back in on Sunday. US & World Videos 2:50 One more cool day, then warmer weather ahead 3:15 Cold night, then a big warmup this weekend 3:05 Temperatures to heat up over the weekend 2:05 Warming into the 80s by weekend's end 2:09 Big weekend warm-up expected