Damaging winds and hail so large it could cause injury to people and animals and damage buildings was expected with the storms.

A strong thunderstorm rolled into metro Denver on Thursday afternoon and was expected to bring wind gusts up to 60 mph, according to the National Weather Service.

Rainfall amounts of 2 to 3 inches are possible overnight for much of Iowa, with locally higher amounts. Dozens of counties are under a flood watch.

At LaGuardia and JFK, wait times surpassed an hour and a half, according to the National Airspace System Status, complicating many travelers’ returns after the long 4th of July weekend.

The tornado warnings in Atlantic and Ocean counties in New Jersey are no longer in effect on Wednesday night. Earlier Wednesday, a tornado warning in New Castle County, Delaware, expired at around 9:15 p.m. A severe thunderstorm watch was in effect across much of the Philadelphia region for Wednesday evening.

Intense warnings issued in D.C. and surrounding counties threaten power and safety. Stay informed with the latest updates.

The National Weather Service released a severe thunderstorm warning at 3:09 p.m. on Wednesday in effect until 4:15 p.m. for Colbert, Franklin, Lauderdale and Lawrence counties.