The severe weather poses risks to over 40 million people across the Midwest. Key threats include large hail, damaging winds, and tornadoes, with the potential for flash flooding in areas experiencing heavy rainfall. North Dakota faces the highest risk on Tuesday, while Minneapolis and surrounding regions are bracing for a significant severe weather event on Wednesday. By Thursday, the threat will extend to major metro areas like Chicago, St. Louis, and Milwaukee. Residents in these areas should prepare for possible property damage, power outages, and travel disruptions.