Much of the upper half of the North Island is likely get heavy rain on Sunday. MetService also issued a heavy rain watch, focused on the central North Island. MetService said northern parts of the North Island were covered by a very warm and moist air mass. Rain is forecast across the North Island for the next three days, and some of it could be heavy. The South Island is also expected to get rain during the period, although not as much, and some areas are forecast to be dry for much of the time.

Source: New Zealand Herald December 12, 2021 20:21 UTC