'Life Threatening Flash Flooding' Forecast For CT: Here Are All The New Details

Here we go again....

The National Weather Service said in an update Tuesday that a "slow-moving system will bring multiple rounds of heavy showers and thunderstorms today through Wednesday."

"There is potential for life threatening flash flooding. Isolated severe thunderstorms are possible..." the weather service states.

A flood watch has been issued for the entirety of the state.

Up to 7 inches of rain could fall in parts of the state, forecasters said.

Here are specific forecast details from the National Weather Service based on where you are:

Fairfield/New Haven County: A flood watch is in effect from 2 p.m. Tuesday until Wednesday evening.

"A slow moving low pressure system will bring multiple rounds of heavy showers and thunderstorms to the area today through Wednesday. Average rainfall amounts are expected to be between 3 and 5 inches with localized higher amounts. Peak hourly rainfall rates could be as high as 2 to 3 inches in the heaviest showers and thunderstorms," the weather service states.

Middlesex County: A flood watch is in effect from 2 p.m. Tuesday until Wednesday evening.

"A slow moving low pressure system will bring multiple rounds of heavy showers and thunderstorms to the area today through Wednesday. Average rainfall amounts are expected to be between 2 and 3 inches with localized higher amounts. Peak hourly rainfall rates could be as high as 1.5 to 2.5 inches in the heaviest showers and thunderstorms," the weather service states.

New London County: A flood watch has been issued beginning at 8 p.m. Tuesday.

"A slow moving low pressure system will bring heavy showers and thunderstorms to the area tonight through Wednesday. Average rainfall amounts are expected to be between 2 and 3 inches with localized higher amounts. Peak hourly rainfall rates could be as high as 1.5 to 2.5 inches in the heaviest showers and thunderstorms," the weather service states.

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Hartford/Tolland County: A flood watch is in effect from this afternoon until Wednesday evening.

"Moderate to heavy rainfall is expected to develop Tuesday afternoon into Wednesday across the Watch area. The heaviest rainfall is expected Tuesday evening into Wednesday. Excessive rainfall rates are possible, which could trigger instances of street flooding and contribute to rises on rivers, streams and larger river basins. Two to three inches of rain are expected in the Watch area, with locally higher amounts possible especially along the eastern slopes of the Berkshires and portions of western Hartford County," the weather service states.

Litchfield County: A flood watch is in effect from 2 p.m. Tuesday until Wednesday evening.

"Periods of moderate to heavy rain and thunderstorms capable of heavy downpours arrive this afternoon from west to east and continue tonight with rainfall rates reaching or exceeding 1 to 2 inches per hour at times," the weather service states. "Despite recent dry conditions, such high rainfall rates in a short period of time can result in flash flooding, especially in urban and poor drainage areas and where heavy rain repeatedly impacts a given area. Steady rain continues into Wednesday before transitioning to showers Wednesday night into Thursday. Three day rainfall totals likely range from 1 to 3 inches with isolated amounts of 3 to 7 inches across portions of the eastern Catskills, Litchfield County and central and southern Taconics due to upslope enhancements."

Windham County:

"Moderate to heavy rainfall is expected to develop Tuesday afternoon into Wednesday across the Watch area. The heaviest rainfall is expected Tuesday evening into Wednesday. Excessive rainfall rates are possible, which could trigger instances of street flooding and contribute to rises on rivers, streams and larger river basins. Two to four inches of rain are expected in the Watch area, with locally higher amounts possible especially along the eastern slopes of the Worcester Hills," the weather service states.