May 30, 2011 5:40 pm EarthWatch Forecast: Monday, May 30 – Evening Outlook Excessive heat has taken over our area, but will it last long enough to become a heat wave? 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