Millions of people in the Midwest and Great Plains are in the path of numerous severe thunderstorms expected on Monday. Kansas City is expecting winds up to 50 MPH and half-dollar-sized hail that could damage roofs or cars.

Cities such as Chicago, Minneapolis and Milwaukee are at risk for a severe weather outbreak, forecasters said.

A wide swath of the Midwest and Plains states is under a tornado watch and severe weather conditions are forecast to persist into next week, the National Weather service said Thursday.