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Flood Watch: Heavy Rains, Storm May Cause Shoreline Flooding

Shoreline flooding is possible across southern Connecticut late Friday afternoon into early Saturday morning — with up to 3 inches of rain possible.

By Julie Weisberg and David Gurliacci

A mix of heavy rains and thunderstorms could result in flooding in areas near the Connecticut shoreline starting late Friday afternoon and into early Saturday morning.

The National Weather Service has issued a "Flood Watch" that covers southern Fairfield County, and all of New Haven and Middlesex counties.

With the region already soaked from rains earlier this week, some 1 to 2 inches of additional heavy rain is expected to fall — with locally higher amounts possible in some areas during the storm, the weather service reports. 

"A slow moving cold front will move across the area later today through tonight. Rain will increase in coverage during the afternoon and become heavy at times at night, with the potential for [...] embedded thunderstorms," according to the Flood Watch statement.

"The heaviest rain is expected to coincide with high tide on the Atlantic and western Long Island Sound tonight, which could exacerbate flooding along the south shore of Long Island and Southern Fairfield County."

There is an increased threat of significant urban flooding, along with flooding of -low-lying and poor drainage areas, the meteorologists warn in their report. 

Weekend Forecast

The good news is that once the rains move out early Saturday morning, the rest of the weekend looks to be a pleasant one, with only a slight chance of rain and high temperatures expected to reach the low 70s.

Here is the weekend forecast from the NWS (specifically for Norwalk, but not much different for surrounding towns):

  • Friday afternoon: Showers. High near 68. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80 percent. New rainfall amounts between a quarter and half of an inch possible.
  • Friday night: Showers and possibly a thunderstorm before 3 a.m., then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog before 3 a.m. Low around 57. Southeast wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
  • Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 6 to 10 mph.
  • Saturday night: A slight chance of showers after 2am. Partly cloudy, with a low around 51. West wind 6 to 8 mph. Chance of precipitation is 20 percent.
  • Sunday: Mostly sunny, with a high near 73. Northwest wind 8 to 10 mph.
  • Sunday night: Partly cloudy, with a low around 50.
  • Monday: Mostly sunny, with a high near 65.

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