Weather in New Jersey for the July 4th holiday weekend is looking good for Sunday and Monday. Saturday, on the other hand, is a different story. The National Weather Service said on Saturday morning that scattered showers and thunderstorms, with the potential for damaging wind gusts and flash flooding, are expected to develop by late Saturday afternoon and evening. The most likely chances for rain will be from around the Philadelphia area and southeast into Delmarva, southern New Jersey and the coast. The National Weather Service also predicts thunderstorms for the northern part of New Jersey …