May 4, 2011 6:48 pm EarthWatch Afternoon Forecast: Wednesday, May 4, 2011 When will things warm up? US & World Videos 2:06 Feeling like summer 2:36 A summer preview 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