A tire illuminating apparatus 12 for illuminating the tires 14 of a vehicle 10 is provided. The tire illuminating apparatus 12 includes a base member 20 which is coupled to the vehicle 10 above the tire 14. The illuminating apparatus 12 is also provided with a light directing member 36 which is coupled to the base member 20 which directs light so that diagonally extending light beams are cast on the tire 14. An illuminating member 44 for providing a predetermined source of light is also provided. The illuminating member 44 is coupled in the base member 20 so that light is provided to the light directing member 36 to illuminate the tire 14 as desired.