Supported by

St. Louis, Omaha and Des Moines were among the cities that saw heat indexes rise toward triple digits, with similar temperatures expected on the East Coast by Monday.

By Chris HippensteelJay SenterRobert Chiarito and Ann Hinga Klein

Chris Hippensteel reported from New York, Jay Senter from Minneapolis, Robert Chiarito from Chicago and Ann Hinga Klein from Des Moines.

Dick Kraklow rolled into Minneapolis earlier this week with three generations of his family and several vintage vehicles in tow, excited for an annual gathering of the Minnesota Street Rod Association that celebrates classic cars.