Friday has only a 30% chance of favorable weather. Saturday is better, but not great. In fact the first really favorable forecast isn't until next week.
Be that as it may, NASA officials have set the next launch attempt for 8:47 p.m. EST on Dec. 9.
The STS-116 mission is the 33rd for Discovery and the 117th space shuttle flight. During the 12-day mission, the crew will continue construction on the International Space Station, rewiring the orbiting laboratory and adding a segment to its integrated truss structure.