September 15, 2010 6:08 pm EarthWatch Forecast: Tueday, Sept. 15 – Evening Outlook Will it rain? 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