Special Weather Statement issued November 21 at 8:31PM EST by NWS

…Areas of slick travel expected tonight… Periods of light freezing rain are expected in sheltered valleys of the eastern Adirondacks and much of eastern Vermont tonight as a warm front moves through the area. Overall precipitation should remain quite light. Nonetheless, with air and road temperatures at or slightly below freezing in these areas some areas of slick

Source: National Weather Service Alerts for Vermont