Chantal is expected to bring rounds of heavy rain from the Carolinas through southeastern Virginia and southern Delaware by Monday evening.

A flood watch was in effect July 7 for several states, including Virginia, Maryland, Delaware, New Jersey and Pennsylvania. "Storm total rainfall of 2 to 4 inches, with local amounts up to 6 inches, is expected," the Weather Prediction Center said in a 5 a.m. ET update. "An elevated risk for flash flooding will continue."

More than 5 million people are under flood alerts in North Carolina and Virginia Sunday with nearly 2 million under Flash Flood Warnings as Chantal makes landfall.