The flooding resulted from a powerful cold front that brought scattered tornadoes and heavy rain to the central and eastern United States those two days, including more than 7 inches of rain in St. Louis, according to the National Weather Service.

Two poll workers in their 70s died Tuesday after torrential rains caused flash flooding in Missouri. The Missouri State Highway Patrol reported the deaths of a 70-year-old man and a 73-year-old woman after two vehicles were swept off State Route H near Beaver Creek in Wright County.