Parts of western Connecticut saw more than 3 inches of rain come down during Monday night's storms, which triggered flash floods in New York and New Jersey.

The flooding storms on Monday night flooded roads, knocked out power and led to a state of emergency for New Jersey. See which towns got the most rain.

Thousands across New Jersey lost power Monday, July 14, as severe storms blew through the region, toppling trees and knocking down wires.More than 4,600 customers were in the dark as of 6:45 p.m., utility officials said.

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.

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 powerful round of thunderstorms is expected to hit New Jersey and eastern Pennsylvania beginning Monday afternoon, July 14, with the National Weather Service warning of flash flooding, possible power outages,

It will be warm and humid Tuesday morning. That high heat and humidity will give rise to the possibility of isolated and scattered downpours. Isolated and severe thunderstorms are possible. Tuesday evening, there will be leftover thunderstorms and downpours.