Tens of millions of people are at risk of dangerous flash floods in pockets of nearly every region of the contiguous United States Friday, as the nation’s summer of flooding continues.

High humidity levels, summer heat and long days will combine to produce conditions favorable for drenching thunderstorms leading to additional flash flooding in the coming days in many parts of the U.

Parts of major thoroughfares in New York were temporarily closed due to flooding and at least one downed tree. Read on: