Special Weather Statement issued March 25 at 6:33AM EDT by NWS

…PATCHY DENSE FREEZING FOG THIS MORNING… Patchy dense freezing fog will remain possible early this morning across portions of the Hudson River Valley from Albany north through the Glens Falls area, the Mohawk River Valley, and Connecticut River Valley in southeast Vermont. In addition, temperatures in this region remain below freezing.

Source: National Weather Service Alerts for Vermont