But there were concerns for neighborhoods along the river and near Lake Houston, where a torrent of rain fell as Imelda - a tropical storm that weakened to a tropical depression - passed over.
Ed Gonzalez, sheriff for Harris County, which includes Houston, confirmed the second death from the storm. The sheriff's office said it was reaching trapped people with high-water rescue vehicles and airboats.
Parts of southeast Texas continue to be under flood warnings and flash flood watches, and Texas Gov. Greg Abbott declared a state of disaster on Thursday for 13 counties.
A man on a bike rides in the flooded waters on Hopper Rd. on September 19, 2019 in Houston, Texas.
The flight tracking service FlightAware reported almost 700 flights canceled Thursday at George Bush Intercontinental Airport, with more than 200 other flights delayed. The family of Hunter Morrison, the man killed, said he was not trying to rescue any people, as had been reported locally, and wanted to correct false reports. "I don't think I'm going anywhere soon", Castle said from his truck.
While Imelda has dissipated, the National Weather Service says "remnants will still bring heavy rain and possible flash flooding" to portion as far away as the Texas-Arkansas-Louisiana border.
Even when Houston was finally rid of the worst, downtown highways remained littered with abandoned cars submerged in water.
At Texas Greens Bayou, located northeast of Houston, 9.68 inches of rainfall was recorded in just three hours.
That storm dumped more than 5 feet of water near the Louisiana border, and two years later, it looked in some places like Harvey was playing out all over again.
In Winnie, a town of about 3,200 people 60 miles east of Houston, a hospital was evacuated.
A whole lot of motorists have been stranded of their autos as a few of Houston's fundamental roadways flooded, submerging vehicles. "Right now, I'm in an absolute deluge of rain", Chambers County Sheriff Brian Hawthorne told NBC.
The storm is expected to drift North throughout the day on Friday.