Flash Flood Watch Thursday night through Friday afternoon

A Flash Flood Watch has been issued for all of Fairfield County from 8 p.m. Thursday evening through Friday afternoon, according to the National Weather Service.

Showers and thunderstorms will be moving into the region from the west early this evening, Thursday July 28, and will overspread the region by late tonight, according to the Weather Service. Showers and thunderstorms will continue into Friday morning and begin to taper offer from the west to east during Friday afternoon.

There is a potential for periods of heavy rain Thursday evening through Friday afternoon.

The heaviest rain is expected to extend from northeastern New Jersey into the lower Hudson Valley of New York and southern Connecticut. Rainfall up to 2 to 4 inches are possible.

Low lying and poor drainage areas along with smaller streams may flood.

A Flash Flood Watch means that conditions may develop that lead to flash flooding, a very dangerous situation, the Weather Service says.