CARIBOU, Maine — In a pre-Halloween scary forecast, meteorologists at the National Weather Service in Caribou have issued a hazardous weather outlook for northern and western Maine that includes the potential for measurable snow in northern Aroostook County. Todd Foisy, meteorologist with the NWS in Caribou, said Monday that wet snow and rain Tuesday night is expected to turn to all snow over central and northern areas of the state and continue into Wednesday morning. “Some parts of that area could see significant accumulation,” he said.