Tropical Depression Imelda is responsible for at least one death authorities have confirmed.
Twenty-year-old Hunter Morrison was electrocuted by a downed power line while in floodwaters.
He was helping his father save a horse in Beaumont, Texas.
The National Weather Service issued flash flood emergencies for nine counties.
There were mandatory evacuation orders put in place for several communities.
The Texas governor Greg Abbott declared a state of emergency for 13 counties.