The storms were part of a severe weather system that spawned tornadoes in Wisconsin, downed trees, left thousands without power in the Great Lakes region

Widespread damage, including toppled trees and power lines, were reported. The tornado was part of a larger severe weather system that threatened numerous states.

At least four people were killed when severe weather, including two possible tornadoes, swept through St. Louis, Missouri, on Friday afternoon, authorities said Mayor Cara Spencer announced the fatalities during a news conference.