* WHAT. Flooding caused by excessive rainfall is possible. * WHERE. Portions of northwestern Connecticut, including the following areas, Litchfield County, western Massachusetts, including Berkshire County, in eastern New York, including the eastern Catskills, mid Hudson Valley, the Greater Capital Region, central and eastern Mohawk Valley, the Taconics, Schoharie Valley, Helderbergs and southern reaches of the Lake George and northern Saratoga Region, as well as southern Vermont including Bennington and Windham Counties. * WHEN. From late tonight through Saturday morning. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - A low pressure system will bring 1.5 to 3 inches of rainfall to the region late tonight into Saturday morning. This rainfall will fall on already saturated soils from heavy rainfall from the past weekend into early this week. Some isolated flash flooding can not be ruled out. Minor flooding of main stem rivers, creeks and small streams may occur. Some rivers that could reach the minor flood stage include the Esopus, Schoharie, Hoosic, Walloomsac, Housatonic, and the Hudson River at Troy and Waterford. - http://www.weather.gov/safety/flood