April 15, 2010 7:32 am Today's Forecast: Thursday, April 15 – Daytime Outlook Enjoy this beautiful day, because a big change is coming for the weekend 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