Flash Flood Watch issued June 18 at 3:48PM EDT until June 19 at 6:00AM EDT by NWS Philadelphia - Mount Holly Berks; Carbon; Delaware; Eastern Chester; Eastern Montgomery; Lehigh; Lower Bucks; Monroe; Northampton; Philadelphia; Upper Bucks; Western Chester; Western Montgomery ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch continues for * Portions of Delaware, northeast Maryland, New Jersey, and Pennsylvania, including the following areas, in Delaware, Delaware Beaches, Inland Sussex, Kent, and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In New Jersey, Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, Sussex, Warren, and Western Monmouth. In Pennsylvania, Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through late tonight * Showers and thunderstorms are expected to move through the area through this evening and into the overnight. The stronger storms will be capable of producing torrential downpours, and the storms may have a tendency to move over the same areas. Rainfall totals of 1 to 3 inches may occur in a short amount of time. This could lead to localized flash flooding. * The risk of flash flooding is highest with storms that produce excessive rainfall rates for an extended period of time. Flooding is most likely in more urbanized and in poor-drainage locations. Rapid rises on small creeks and streams are possible. A Flash Flood Watch means that there is the potential for flash flooding, which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate some roadways. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area.