At 11:10 p.m. on Monday, the National Weather Service released a flash flood warning in effect until Tuesday at 2:15 a.m. for Adams and York counties.

A flash flood warning was issued by the National Weather Service in Mount Holly at 2 p.m. on Monday, June 30. This warning applies to Sussex and DE counties. The NWS warns: "Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads."

The National Weather Service issued a flash flood warning at 2:19 p.m. on Monday in effect until 6:30 p.m. for Camden and Gloucester counties.