Dakota Henderson said he and others rescuing people trapped in their homes Friday night found five dead bodies scattered in the debris outside what remained of his aunt's house in hard-hit Wayne County, Missouri. “It was a very rough deal last night," he said Saturday, surrounded by uprooted trees and splintered homes. “It’s really disturbing for what happened to the people, the casualties last night." Henderson said they rescued his aunt from a bedroom that was the only room left standing in her house, taking her out through a window. They also carried out a man who had a broken arm and leg. Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states, part of a monster storm that killed at least 18 people as more severe weather was expected late Saturday. Missouri recorded more fatalities than any other state as it withstood scattered twisters overnight that killed at least 12 people, authorities said. The deaths came as a massive storm system moving across the country unleashed winds that triggered deadly dust storms and fanned more than 100 wildfires. Extreme weather conditions were forecast to affect an area home to more than 100 million people. Winds gusting up to 80 mph (130 kph) were predicted from the Canadian border to Texas, threatening blizzard conditions in colder northern areas and wildfire risk in warmer, drier places to the south. The National Weather Service issued blizzard warnings for parts of far western Minnesota and far eastern South Dakota starting early Saturday. Snow accumulations of 3 to 6 inches (7.6 to 15.2 centimeters) were expected, with up to a foot (30 centimeters) possible. AP video by Jeff Roberson