Forecasters warned of damaging winds, hailstones bigger than baseballs and flash floods in parts of an area stretching from Texas to upstate New York.

AccuWeather's Severe Weather Expert Guy Pearson reports on the building storms in the Midwest that are expected to bring strong wind gusts and hail.

Tornado warnings have been issued for parts of Minnesota as multiple rounds of severe thunderstorms are expected across the central U.S. on Monday, some capable of producing damaging winds, large hailstones and strong tornadoes,