Severe storms hammered parts of the tri-state area Monday afternoon into the late evening hours, flooding City subways, prompting dozens of water rescues and triggering a state of emergency in hard-hit parts of New Jersey.

Flash flood warnings were issued by the National Weather Service Monday night as heavy storms rolled into the area. Flood warnings were issued for Morris, Warren, Bergen, Essex, Hunterdon, Hudson, Passaic, Middlesex, Somerset and Union Counties, according to the National Weather Service.

A Flood Watch has been issued for a significant portion of New Jersey. The watch is in effect from Wednesday afternoon through late Wednesday night, as forecasters warn of the potential for flooding due to excessive rainfall.

Flash flooding, possible severe storms and heat risks will be in effect for Delaware on July 16 and 17. See the weather forecast.

The National Weather Service has issued flash flood watches for parts of 17 New Jersey counties on Monday to start a stormy week.

Footage shows wooden slats from the home on the ground with other debris. The blast took place around the same time heavy rainfall hit the northeast.

The weather service said there's a "marginal" risk of flooding in portions of Nassau and western Suffolk, but nothing what's expected to the west and north of LI.

On Wednesday at 5:36 p.m. the National Weather Service released a flash flood warning in effect until 8:45 p.m. for Bedford, Blair, Cambria and Somerset counties.