A heat wave is forecast to hit the East Coast and Midwest and last through at least Friday.
More than 76 million people were under some level of heat alert as of this morning. About 150 million people are expected to experience temperatures above 90 degrees Fahrenheit.
Heat warnings, watches or advisories were in effect from Iowa to Maine, affecting Cleveland, Cincinnati, Columbus, Detroit, Pittsburgh, Philadelphia, Boston, New York and other cities.
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