The National Weather Service in Binghamton is warning of the potential for sudden, slippery conditions on roads, sidewalks, driveways and parking lots.
Emergency services officials around the region report a few flooded streets and some trees down following rain brought by the remains of Tropical Storm Fred.
Weather forecasters say Binghamton-area residents should be ready for a warmup with rain that could cause some flooding and then a sudden drop in temperatures for Christmas Day.
Twin Tiers Emergency Services officials describe Halloween night as "wild" with reports of wires down, flooding and even debris flying into moving vehicles.