Northland, Auckland and Coromandel: Showers, but becoming mainly fine tomorrow afternoon.
Waikato to Wellington, including Bay of Plenty and the central high country, also Wairarapa: Showers becoming widespread and heavy overnight with possible thunderstorms about Taranaki and Bay of Plenty in the morning, and Wairarapa in the afternoon.
Gisborne and Hawkes Bay: High cloud today, with scattered rain. Mainly fine tomorrow, but isolated showers.
Marlborough, Nelson and Buller: Showers, turning to rain for a time tonight. Isolated thunderstorms overnight, and again tomorrow afternoon when hail is likely.
Westland and Fiordland: Occasional rain or showers today. Mostly fine tomorrow, but isolated afternoon and evening showers.
Canterbury, Otago and Southland: Showers, especially in the afternoons and evenings, when isolated thunderstorms with hail are likely south of about Timaru.
Chatham Islands: Rain developing tonight.
Thursday: North Island, fine spells, but a few showers also, mainly in the west. South Island, a few showers in the west, turning to heavy rain in Fiordland, some high cloud and a few spots of rain elsewhere.
Friday: North Island, fine breaks, but the odd shower in the west, turning to rain overnight. South Island, rain spreading to most places, with some heavy falls in the west and south, and snow about the hilltops in the south. Saturday: North Island, early rain easing to a few showers and mostly clearing in the north. South Island, rain or showers in most places, but becoming fine in Westland and Fiordland.
Chatham Islands: On Thursday, the odd shower at first, but fine breaks increasing. Winds turning westerly. On Friday, cloudy periods and northerlies developing later. On Saturday, a few showers and a strong westerly change.