the school year is off and running but summer is holding on with a white knuckled grip hitting the state with sweltering temperatures and a heat wave that's forecast to last through Thursday the National Weather Service says the heat index will Peak above 100 degrees all week making for dangerously hot conditions a heat advisory has been issued for all or parts of 15 counties and it's forcing some New Jersey schools to dismiss students early from Winslow Township in Camden County to as far north as Metuchen and Belleville school districts are opting for half days or early dismissal with no after-school activities in North Jersey other schools May avoid the worst of it due to late week openings for anyone who's been asking where the summer weather was during July and August well it's finally arrived