Thursday will bring the fourth day in a row with a NEXT Weather Alert for the Philadelphia region, though it will be due to storms and flooding, not necessarily the heat. It will be hot, but it won't be as hot as the previous days.

New York Governor Kathy Hochul and her acting counterpart in New Jersey said they were declaring states of emergency for areas facing the threat of extreme flash floods forecast on Thursday for much of the Eastern Seaboard.

Storms are lashing the East Coast from Virginia to Connecticut, flooding roadways and delaying flights from Boston to Washington, D.C.

With rainfall rates that prolific, the threat of flash flooding is highly imminent. The flooding may prove to be locally severe, causing travel disruptions, property damage and the need for water rescues.

Water poured down into metro stations and shot up from the roads like geysers as the Northeast saw major flooding on Thursday.

Flooding in New York City created a waterfall in the underground tunnels of the subway system on Thursday (July 31). New York Governor Kathy Hochul and her acting counterpart in New Jersey said they were declaring states of emergency for areas facing the threat of extreme flash floods forecast for much of the Eastern Seaboard.