* WHAT...Heavy snow. Additional snow accumulations between 1 and 3 inches allowing for storm total amounts of 10 to 15 inches, with some localized totals of 15 to 20 inches over the eastern Catskills, mid Hudson Valley and western New England. * WHERE...All of northwestern Connecticut, western Massachusetts, southern Vermont and eastern and east central New York. * WHEN...Until 7 PM EST this evening. * IMPACTS...Travel will continue to be dangerous early this morning due to snow covered roads and reduced visibility. Travel conditions will improve through the day on Monday. * ADDITIONAL DETAILS...Steady light to moderate snowfall will continue into early to mid morning hours before tapering to snow showers and flurries by the late morning and afternoon hours. Breezy conditions this afternoon may allow for some drifting of snowfall, especially in high terrain areas.