Thunderstorms are largely possible across Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester, Mercer, Monmouth and Ocean counties in the afternoon -- which could turn into tornados, according to the National Weather Service.
In Pennsylvania, a flash flood watch was issued for Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery counties.
Between 2 and 5 inches of rain is expected across Central and South Jersey with closer to 6 inches possible toward Thursday morning.
In Pennsylvania, between 4 and 6 inches of rain is being predicted in the Lehigh Valley.
A flash flood watch was issued across Bergen, Essex, Hudson, Union and Passaic counties for Thursday morning into the afternoon.
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