Incoming chill will be notable even by midwinter standards, MetService says.

Snow could fall to 200m in the South Island, disrupting travel.

South Island conditions will improve this afternoon.

Conditions will be colder than usual as a chilly southerly spreads across the country.

Incoming chill will be notable even by midwinter standards, MetService says.

Four Interislander sailings between Wellington and Picton have been cancelled.