Here are some links that you may find useful as you plan your observations:
This Week's Sky At a Glance from the Sky & Telescope web site, usually updated on Fridays.
S&T's Javascript Utilities, a collection of useful little applications for predicting GRS transits, Jovian events, etc.
Heavens-Above.com View satellites, ISS flyovers, Iridium flares, and more!
The Clear Sky Clock Predicts clouds, transparency, and seeing for sites across North America. The Clear Sky Clock predictions for our club's local observing sites are shown below.