Roberto Salas, left, and Lewis Sternhagen check a flooded car on the frontage road between South Loop West Freeway and South Post Oak Road near the Willow Waterhole Bayou, Tuesday, May 26, 2015, in Houston. Floodwaters kept rising Tuesday across much of Texas as storms dumped almost another foot of rain on the Houston area, stranding hundreds of motorists and inundating the highways. (Marie D. De Jesus/Houston Chronicle via AP)
Roberto Salas, left, and Lewis Sternhagen check a flooded car on the frontage road between South Loop West Freeway and South Post Oak Road near the Willow Waterhole Bayou, Tuesday, May 26, 2015, in Houston. Floodwaters kept rising Tuesday across much of Texas as storms dumped almost another foot of rain on the Houston area, stranding hundreds of motorists and inundating the highways. (Marie D. De Jesus/Houston Chronicle via AP) Marie D. De Jesus AP
Roberto Salas, left, and Lewis Sternhagen check a flooded car on the frontage road between South Loop West Freeway and South Post Oak Road near the Willow Waterhole Bayou, Tuesday, May 26, 2015, in Houston. Floodwaters kept rising Tuesday across much of Texas as storms dumped almost another foot of rain on the Houston area, stranding hundreds of motorists and inundating the highways. (Marie D. De Jesus/Houston Chronicle via AP) Marie D. De Jesus AP