jr." ahead. this is "cbs this morning: saturday." >>> good morning, i'm rahel solomon.underway at chestnut hill hospital in philadelphia, service workers are seeking higher wages, their union says members are getting lower pay then other hospital workers in philadelphia. >>> group includes certified nursing assistant, er technicians and diet and environmental services worker. both side have been holding contract talks for two months. >>> lets check weather, here's a question for you, looking at your one day forecast how many different ways can you say it is hot. >> this is typical for middle of summer, that is what we are dealing with next several days , an extended heat wave across delaware valley, hottest temperatures we have seen all summer long. we are seeing 80's showing up and look at this shore shot looks good, plenty of sunshine ocean the water dipped down in the 60's in the atlantic city. we could dealing with cold water. eighty-two in philadelphia a. eighty-one in the atlantic city airport. excessive heat warning for philadelphia and adjacent suburbs. heat adv