A lot of residents near the overflowing Wichita and Brazos rivers remained evacuated from their homes in north Texas on Sunday.
At least 200 people were still displaced from their homes near the Brazos River in Parker County. Some homes sustained minor damages while up to four feet (1.2 meters) of water had seeped into others, said Shawn Scott, Parker County emergency management coordinator.
Some residents had been allowed to return Saturday, but hours later authorities encouraged them to seek higher ground as the lake runoff moved downstream, Scott said.
Floodwaters were not expected to go down until later Sunday. But the threat of more rain loomed, he said.
"It's a continuous up and down situation," Scott said. "This could be ongoing for the next few days."
Water rose overnight by four feet (1.2 meters) in one Wichita Falls neighborhood where 175 people left, although water had started gradually receding in another neighborhood of the city in north Texas, city spokesman Barry Levy said.
City officials had urged residents to leave Friday and weren't sure when they could return because of concerns about contaminants in the water, he said.
Storms on the southern Plains have claimed 11 lives in Texas since more than a week ago, and two Texans were missing. Forecasters expected rain to continue dumping on already sopped parts of north Texas up through Missouri as part of a lingering storm system. The National Weather Service measured more than 11 inches (28 centimeters) of rain in June at Dallas-Fort Worth International Airport, about a half-inch (1.25 centimeters) shy of the 1928 record, and the town of Marble Falls collected about 18 inches (46 centimeters) in one night last week.
On Sunday, rain was falling on eastern sections of Kansas and Oklahoma and wide areas of Missouri and Arkansas.
Voluntary evacuations were under way Saturday in Iola, Kansas, said Corey Schinstock, assistant city administrator.
"Various sections in the south of town are under water, and the water is climbing," Schinstock said late Saturday. "We have had over 15 inches (38 centimeters) of rain the last three days. ... All the creeks are flooding."
East of Iola, emergency workers used ropes and a harness to rescue two teenagers from atop a pickup truck that became wedged against a tree at a low-water crossing in Crawford State Park, the Crawford County sheriff's department said.
Some homes and businesses in Neodesha, Kansas, also were damaged by flooding, and the water supply was contaminated, Highway Patrol Lt. Chuck Yokley said.
Rain-swollen rivers in western Missouri were expected to continue rising this week, emergency officials said. Tornado touchdowns were reported Saturday in southwest Missouri. No injuries were reported and officials were awaiting damage reports.
Kansas Gov. Kathleen Sebelius declared a state of disaster emergency in 12 counties. The heaviest rainfall in the state was reported in Anderson County, where 18 to 20 inches (46 to 51 centimeters) fell over 2 1/2 days.
Highways across wide areas of Oklahoma remained closed Sunday because of flood damage.