voodoo fest isnt an overnight thing, at least it wasnt last year, idk if they might change with the three day thing but im pretty sure that u gotta get a hotel. Smoking there isnt a problem, everybody real chill, theres always a bunch of smoking circles all around, its just that technically they arent supposed to allow drugs or paraphernalia into the grounds, so if they find it, depending on who searches you, they could take it.