Abstract: The vehicular windshield cover of the invention includes a first tubular housing arranged to have extensible or retracted therefrom a fluid impermeable flexible web that extends to a second housing having a cylindrical concave surface arranged to accommodate the first cylindrical housing during a nested configuration when the web is wound within the first cylindrical housing. The web securedg about an axle within the first cylindrical housing is arranged such that the axle is fixedly secured to a cap member that iS rotatably mounted to the cylindrical housing, such that rotation of the cap relative to the housing permits fueling of the web within that housing. Various structure to secure the housings to the Windshield is arranged to include suction cups, straps, and the like.