‌Snow is set to fall to towns in several parts of the South Island, including Dunedin and Canterbury. Photo / Anna Heath Snow is set to fall to towns in several parts of the South Island, including Dunedin and Canterbury. Photo / Anna Heath Many parts of the country are set to shiver through their coldest day of the year so far this week, as a polar blast sweeps north, bringing snow, high winds and rough seas.

A strong southerly will see snow fall to town level in a few spots tonight and tomorrow,