A flash flood warning was in effect in New York City until 9:45 p.m., and New Jersey Gov. Phil Murphy declared a state of emergency. Middlesex, Morris and Somerset counties remained under a flood warning until 7:15 a.m. Tuesday.

The heavy downpours wreaked havoc across the city with footage showing commuters overwhelmed by floodwaters in various subway stations.

Heavy rains slammed the Northeast and caused flash floods in the New York City subway system. CBS News' Rob Marciano has the latest.

Flooding caused delays on multiple New York City subway lines Monday as torrential rain pummeled the Tri-State Area.

Heavy rain swept across New York City and the Tri-State area on Monday night, inundating the region with flash flooding that stranded vehicles in roadways, closed subway lines and led to the declaration of states of emergency.

Flooding can be deadly and often strikes with little or no warning. Streets, basements, and below-grade spaces can fill with water in minutes. If you live in a basement apartment or

Severe flash flooding struck New York City, Westchester County, Staten Island, and Rockland County, Bergen, Essex, Hudson, Passaic