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Heavy rain, flash flooding, strong winds forecasted

November 9, 2018 GMT

All of Connecticut is under a Flash Flood Watch with heavy rain expected Friday afternoon and tonight.

The National Weather Service says rainfall is expected to begin in the late afternoon and become moderate to heavy during the evening.

The NWS hourly forecast has heaviest rain between 6 and 11 p.m.

The rain then becomes lighter and tapers off during the overnight hours.

Rainfall amounts will average between 1 and 2 inches, however locally higher amounts will be possible.

“The combination of heavy rainfall and leaf clogged drainages will pose a threat for flash flooding across the entire watch area,” the NWS says. “Across low-lying coastal areas, rising tides this evening will pose an enhanced threat for flash flooding.”


After the rain ends Saturday, strong wind will follow with gusts up to 41 mph along the Long Island Sound shoreline.

The NWS has issued a Gale Warning for the Sound from 6 a.m. to 7 p.m. Saturday.

The forecast

Today: Rain likely, mainly after 4 p.m. Increasing clouds, with a high near 52. Wind chill values between 30 and 40 early. Northeast wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 70 percent. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Rain and possibly a thunderstorm before 1 a.m., then rain likely. Low around 44. East wind 7 to 16 mph becoming northwest after midnight. Chance of precipitation is 100 percent. New rainfall amounts between 1 and 2 inches possible.

Saturday: A 30 percent chance of rain before 7 a.m. Mostly cloudy, then gradually becoming sunny, with a high near 49. West wind 9 to 16 mph, with gusts as high as 31 mph.

Saturday Night: Mostly clear, with a low around 30. West wind 5 to 10 mph.

Veterans Day: Sunny, with a high near 45. West wind 5 to 10 mph.

Sunday Night: Mostly clear, with a low around 30.