President Bush is supposed to be coming to Alabama to campaign for Gov. Bob Riley. I need to find out when, because I would love to go. I don't suppose they post his schedule do they on the whitehouse site? I would love to get a glimpse of him. :)
Tony Snow's press briefings and press gaggles
http://www.whitehouse.gov/news/briefings/
often give enough lead time so people can find out more about an upcoming event.
Also, Wolfstar usually finds a lot of info about W's week-ahead schedule, and posts it on Saturday or Sunday's Dose.
You could also try contacting your state's GOP HQ.
President Bush will be there September 28th.