Tuesday will bring heavy rain, thunderstorms - WFSB 3 Connecticut

Weather Alert

Tuesday will bring heavy rain, thunderstorms

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Monday paved the way for a potentially turbulent Tuesday which is expected to bring some much needed rain.

A flash flood watch has been issued for southern Fairfield County from late Monday night through Tuesday afternoon.

The nice weather from the weekend continued on Monday, but the humidity has slowly been on the rise.

Clouds will increase on Monday night as a warm front moves in from the southwest.

Meteorologist Mark Dixon said showers will become likely, and possibly a thunderstorm, by daybreak on Tuesday.

Temperatures are expected to bottom out in the mid to upper 60s.

Tuesday's morning commute will be a wet one and rain could be heavy at times.

"As a cold front approaching and moves through during the afternoon/evening, thunderstorms will be possible," Dixon said.

Rainfall of 1 to 2 inches, with 3 inches possible in some spots are expected. The National Weather Service said rates of up to 2 inches per hour could happen.

The Storm Prediction Center in Oklahoma put southern New England in a “marginal risk” category for severe weather, which is the lowest issuance of concern.

While the rain is needed, Dixon said too much rain in a short amount of time could be problematic.

"Given that, the primary threat tomorrow will be heavy rain that could lead to localized, poor drainage flooding," Dixon said, adding that storms could bring heavy, damaging wind.

There could be some isolated showers or storms on Wednesday afternoon or evening, but many towns are expected to stay dry with a mix of sun and clouds.

To read the complete technical discussion, click here.

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