The first severe thunderstorm warnings were issued northwest of Chicago, with a warning in place for southwestern McHenry County until 6:45 p.m. A storm was first located along a line from Poplar Grove Lake to Cherry Valley, moving east at 25 mph. Fifty-cent piece-sized hail and 60 mph wind gusts were associated with the storm.

At 9:54 p.m. on Wednesday, the NWS Raleigh NC issued a flash flood warning in effect until Thursday at 1 a.m. for Wake County.

"Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas."

Severe thunderstorms swept through the Tri-state, flooding streets in Binghamton and prompting tornado warnings. The storms brought powerful winds and flash flood risks, with severe thunderstorm alerts also issued across parts of New York City.