NEW : Heat exhaustion kills man in heat . The longer the heat wave lasts , That lardy layer of humid , sticky heat oozing over the Northeast and Midwest is getting hotter and spreading out Thursday . the greater the dangers , meteorologist says . Severe storms are expected Friday in the Midwest , Saturday in the Northeast . Heat waves are expected to hit 105 in some areas Thursday .
NEW : Heat exhaustion kills man in heat . The longer the heat wave lasts , the greater the dangers , meteorologist says . Severe storms are expected Friday in the Midwest , Saturday in the Northeast . Heat waves are expected to hit 105 in some areas Thursday .