In Hood County, rescue crews responded to a car that was swept away by the rushing water out of Stroud Creek.
In Granbury, a heavy downpour overwhelmed drainage ditches, spilling onto roads and parking lots.
Students in Rio Vista, a small community hit by a tornado two weeks ago, students went home at 1 p.m. because of flash flooding concerns in southern Johnson County.
"The ground is so saturated and with what we were fixin' to get, we were real nervous about getting our kids home because we have a bunch of low water bridges, and the last time it flooded, it came across all those bridges," said Tim Wright, Superintendent of Rio Vista ISD.
The school district is surrounded by Mustang Creek and three low water bridges, which flood easily.
In Northeast Dallas, four boys got stuck in a creek due to rising water.
The fire department says one of the boys jumped into the creek, swam to the other side and went to a nearby home to call 911.
Texas Task Force One high water rescue teams responded and got the three other friends to safety.