Special Weather Statement issued December 10 at 1:13PM EST by NWS

…Icy Spots Developing This Evening and into Tonight… Across central and northern Vermont, a cold front will usher in much colder temperatures this evening. As temperatures fall below freezing between 6 and 9 PM, any areas of standing water will rapidly freeze, creating icy spots on roads and sidewalks. For those traveling, use caution tonight as black ice can be difficult

Source: National Weather Service Alerts for Vermont