My 2010 does the same thing, but usually only bad during a cross wind. I've already had my windshield stripping replaced, which is what the dealer thought it was... nope, still does it. I will be taking it back soon.
MODS LIST! -- 20% Tint, Curt Rec. Hitch, Slimline Toolbox, Huskyliner mats, Huskyliner Mud guards, 18" Gear Wheels, 33" Hankook ATM Tires, Bilstein 5100's at 1.4", Ported Foxbox w/2 10" Polk Subs & JL 500W Amp, Mufflex 24" Exhaust, Tow Hooks, Dominator II Step Bars, GatorHyde Spray-In Bedliner