Twelve tornadoes were reported overnight in four states, with extensive damage to roofs and some outbuildings in Missouri. Tornadoes touched down in Missouri, Nebraska, Iowa and South Dakota on Saturday.
Trenton, Missouri was the hardest hit, with a tornado damaging the roof of a 130-year-old church.
Softball-sized hail of up to 4 inches was reported in Missouri, passing through the roof of a steel structure near Coffey, Missouri.
Damaging winds in excess of 80 mph lashed parts of the Midwest, damaging trees and other structures.
Strong to severe storms moved across Illinois and Indiana early Sunday morning, making their way into Ohio.
More than 11 million Americans from Texas to Wisconsin on Sunday may experience large hail and damaging winds, along with isolated tornadoes that put Iowa, parts of Nebraska and Missouri most at risk.
Twelve tornadoes were reported overnight in four states.
ABC News
Storms are expected to begin appearing around 6 pm ET and continue into the evening, leading to another dangerous overnight weather event. Missouri and Illinois face severe storm threats on Monday.
On Monday, the severe threat is in Missouri and Illinois, where large hail, damaging winds and isolated tornadoes are possible.
Today’s main threat of severe weather exists in affected areas this weekend.
ABC News
On Tuesday, Kansas and Oklahoma also face the potential for severe weather.
This month’s record heat is helping to bring severe weather to the Heartland, especially overnight thunderstorms.
Kansas City hit a record high of 91 degrees on Saturday, breaking its daily record of 89 degrees set in 1970 and 2004. The city could break another record as it reaches 90 degrees on Sunday.
On Friday, a record daily high temperature was recorded in Dallas, Texas, at 96 degrees, breaking the record set in 1984. Over the past 30 years, the first average day of 96 degrees is May 28, so this temperature reaches three weeks earlier than normal.
Those warm temperatures made their way into the Northeast this weekend, with temperatures in New York City reaching 78 degrees on Sunday and forecast to reach 75 degrees on Monday.
ABC News’ Nadine El-Bawab contributed to this report.