18-month-old girl and a 4-year-old boy remain missing.
At least 14 people have been killed by tornadoes or flooding in the South and Midwest by a storm that also dumped a rare late-season blizzard in western Kansas.
Tornadoes hit several small towns in East Texas, killing four people. Five people were killed by flooding and winds in Arkansas, including a fire chief who was struck by a vehicle while working during the storm.
Two deaths were reported in Missouri, including a woman who drowned after rushing water swept away a car. One of two deaths in Mississippi included a 7-year-old who died by electric shock and a 2-year-old girl died in Tennessee after being struck by a soccer goal post thrown by heavy winds.
Flooding closed part of Interstate 44 near Hazelgreen, Missouri, and officials expected it would be at least a day before the highway reopened. Interstate 70 in western Kansas was closed because crews were waiting for snow falling at 8 to 10 cm an hour being blown by 56 km/hr winds to subside.
In Arkansas, Cove Creek/Pearson Fire Chief Doug Decker died shortly before 4 am on Sunday after being struck by a vehicle while checking water levels on Highway 25 near Quitman, about 64 kilometres north of Little Rock, Trooper Liz Chapman said. The volunteer chief's death will be included as a storm-related death.
A 2-year-old girl in Tennessee died after being struck by a heavy, metal soccer goal post that was blown over by high winds, The Metro Nashville Police Department posted on its Twitter page on Sunday evening.
Melanie Espinoza Rodriguez was transported to a local hospital where she was pronounced dead, according to a second post from the department.
Middle Tennessee was hit by a strong line of storms that knocked down trees and power lines earlier on Sunday.
Rescuers in northwest Arkansas continued on Sunday to look for an 18-month-old girl and a 4-year-old boy who were in a vehicle swept off a bridge by floodwaters in Hindsville, the Madison County Sheriff's Office said.
In northwest Arkansas, a 10-year-old girl drowned in Springdale and the body of a woman who disappeared riding an inner tube Saturday was found in a creek in Eureka Springs.
Also, a 65-year-old woman in DeWitt in the eastern part of the state was struck and killed in her home by a falling tree, officials said.
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