April 30 (UPI) -- Flooding and tornadoes killed at least 10 people and injured dozens in Missouri, Arkansas and Texas on Saturday.
The tornadoes and flooding were part of the same storm system as Southwestern Missouri and northern Arkansas received up to 11 inches of rain, according to Weather.com.
Five people died when at least three tornadoes struck Texas east of Dallas in Eustace, Caney City and Canton on Saturday night, Van Zandt County officials said.
Hospitals near Dallas reported treating at least 54 patients, with one person in critical condition.
At least 49 people were treated for injuries at East Texas Medical Center.
"We still may have people unaccounted for," Canton Fire Department Captain Brian Horton said to WFAA-TV.
A car dealership sustained significant damage in Canton as a tornado crossed Interstate 20.
Two deaths were in Missouri. An 18-year-old man drowned after his vehicle entered a flooded area in Polaski County, west of Crocker, about 150 miles southwest of St. Louis. Farther in southwestern Clever, the body of a 72-year-old woman was recovered after floodwaters washed away her car. Before the car was submerged, her husband was rescued.
In Madison County, Mo., two children were missing after an attempted water rescue, NWAHomepage.com reported from the Madison County Sheriffs' Office. The mother swam to safety, but she was unable to find her children.
Missouri Gov. Eric Greitens declared a state of emergency. He said there were 93 evacuations and 33 water rescues.
In Arkansas, a woman died when a tree fell on her mobile home in De Witt, about 80 miles east of Little Rock, authorities said. The roof of the Crestpark Nursing Home was blown off and there was other damage to the building, but no one was injured.
In Oklahoma, flooding and even snow to the north from Winter Storm Ursa hit, prompting Gov. Mary Fallin to declare a state of emergency. Oklahoma City suffered hail, flooding and power outages because of downed power lines, according to the city's fire department.
On Sunday, more than 30 million Americans remained under flash flood watches and warnings as the storm moves eastward, CNN reported.