I just got back from WDW about a week ago. Last Sunday the smoke was horrible. It did clear up by about 12 noon. You couldnt see out of the window at all. It looked as if someone had placed a grey blanket over it. When we were driving home on Monday the smoke was really bad in Lake City, FL. We had to slow down alot! Besides those two days you couldnt even tell there were fires in the area. Just be prepaired for them and everything should be okay!
Jenn