If you have any outside plans on Sunday, you may want to cancel them. The National Weather Service says there will be scattered thunderstorms throughout the day in Cape May County on Sunday, and Sunday night. A major storm moved over the county during the 2:00am hour on Sunday bringing lightning, thunder, and heavy downpours. Another thunderstorm cell was expected to move up the coast on Sunday morning from Delaware. Race day in Dover, Delaware is threatened by the wet weather.