The Mobile Vehicle Hail Cover can provide a protective barrier for the top surfaces of a motor vehicle, from the damaging effects of falling hail, during a sudden hall storm, while the vehicle is under operation on the roadways, providing completely street legal operation, or when parked. The invention consists of 2 to 3 composite protective cover sheets of flexible rubberized and weatherproof material. The cover sheet for the roof, is connected to the sheets on the hood and trunk by way of elastic straps. The Hood and Trunk sheets are attached to the vehicle by the elastic straps at each corner, connecting to rubber coated metal hooks on the ends, to securely anchor the entire apparatus to the vehicle. This invention, can help automobile Insurance companies, realize the savings of Billions $$ in hail damage claims and prevent potential freeway accident pileups, due to drivers stopping under bridges & freeway overpasses.