Saturday
North Island, becoming fine in the east, early drizzle and cloud in the west then fine spells. South Island, rain developing in the west with heavy falls, patchy rain developing in the south later, becoming fine elsewhere.
Sunday
North Island, mostly fine in the east, a period of rain in the west, easing to showers later. South Island, rain in the west with heavy falls, scattered rain over Southland and Otago, showers and southwesterlies spreading into Canterbury later. Fine elsewhere.
Chatham Islands
On Saturday, low cloud and drizzle developing with fresh northerlies. Cloudy with strong northerlies on Sunday. Monday brings a period of rain.