A child reacts under a plastic rain cover as he walks in the rain with his family during a summer heat wave, Thursday, July 21, 2022, in Manhattan, New York. Dangerously high temperatures threatened much of the Northeast and Deep South on Thursday, as huge swaths of the country sweltered under a heat wave that could continue for days and send temperatures soaring in places like Boston, Little Rock and Virginia Beach. (AP Photo/Andres Kudacki)