Weather: 'Still a good chance' of snow in Christchurch, roads closed as snow falls in South Island, Canterbury, Otago as polar blast arrives, Wellington CBD forecast to get snow

The temperature in Wellington dropped 4.8 degrees in an hour this afternoon, while snow is falling in Canterbury and several roads have been closed as a winter blast settles over much of Aotearoa.Waka Kotahi NZTA says State Highway…