November 26, 2010 6:44 am EarthWatch Forecast for Black Friday Morning 2010 How long will the rain last? US & World Videos 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 2:05 Warming into the 80s by weekend's end