May 22, 2013; 11:40 AM ET It is still warm today, but tomorrow and Friday it will seem like a return to March.
Northern Indiana authorities say about 50 middle and high school students were injured and a bus driver was seriously hurt in a chain-reaction crash involving four school buses.
The focus for severe storms will move into the Ohio Valley and resume over New York state on Wednesday.
Short-Range Weather forecast overview for the North Central United States
Strong thunderstorms impacted areas from Texas and Louisiana to New England with large hail and damaging winds.