In the Heights, ABC13 photographer Charles Fisher captured cars driving through high water.
According to the National Weather Service, 13 water rescues have been performed across the area.
Many of the rescues were in the area of Richmond Avenue near Wilcrest.
"I've been in Houston for four years and I've always been warned. I've never seen it quite like this, ever," Carlos Caldwell said.
VIDEO: 6 things to know about driving in floodwaters