July 5, 2011 11:52 pm Forecast: July 5 – It's a Heat Wave Temps hit 90-plus for the third straight day giving us our third heat wave of the season. 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