It includes parts of southeastern New York -- Long Island, as well as Westchester, and Putnam counties -- as well as all eight counties in Connecticut, and the following counties in Massachusetts: Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex, and Worcester.
A look at all areas under the watch, also including parts of Rhode Island, New Hampshire, and Maine, is marked in yellow in the image above from the National Weather Service.
Wind gusts of 60 miles per hour, and half-inch size hail are also possible, the National Weather Service said.
Parts of the region have already seen 1 to 2 inches of rainfall early Sunday morning with flooding being reported on many area roadways.
Up to 4 to 8 inches of rainfall are expected in areas shown in dark green in the second image above from AccuWeather.com.
To look at areas most at risk for flooding (shown in dark green), click on the third image above from AccuWeather.com.
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