After showers fell over parts of New Jersey on Saturday evening, the state saw a dip in temperatures which could make way for a stronger storm. As the Easter weekend winds down, forecasters say a coastal storm could still shift into a strong nor’easter late Monday or early Tuesday, bringing heavy rain to the Garden State and potential snow and ice to parts of Pennsylvania, New York State and northern New England. The National Weather Service has also issued a freeze watch for 15 New Jersey counties: Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland, Essex, Gloucester, Mercer, Middlese…