A cold front is expected to bring low temperatures to various parts of north america on new year's day, with some areas in canada potentially experiencing their coldest new year's day in over a decade. The cold weather is also anticipated to affect several us regions, including the northeast, great lakes, and even south florida, with some areas receiving heavy snow. The extent and impact of the cold front vary by location, with different forecasts reported for cities such as new york city, michigan, and california.