The largest number of deaths, 12, were in Missouri, mostly in Wayne County. Eight deaths were reported in Kansas after a 50-vehicle collision during a "severe dust storm," and six deaths were reported in Mississippi following multiple reported tornadoes.

At least 13 people are dead after severe weather hit parts of Missouri and Arkansas overnight, officials said. Ten storm-related fatalities were reported in the Missouri counties of Ozark, Butler, Wayne and Jefferson,

At least 30 people died as violent weather swept the country on Friday and Saturday, and the threat isn't over.