For all of the North Island, except Gisborne and Hawkes Bay: Mainly cloudy, with scattered showers. A band of heavier rain moves eastwards across most areas tomorrow with isolated squally thunderstorms.
Gisborne and Hawkes Bay: cloudy periods. Isolated showers, more widespread for a time tomorrow afternoon or evening.
Northern Marlborough and Nelson: Showers becoming widespread for a time overnight with possible thunderstorms, clearing later tomorrow.
Remainder of Marlborough, Canterbury, Otago and Southland: Fine and cloudy periods, with isolated showers. Showers more widespread inland south of Christchurch tomorrow afternoon, some heavy and thundery with hail.
Buller and Westland: A few showers, turning to periods of heavier rain overnight with isolated thunderstorms.
Fiordland: Occasional showers, heavy at times.
Chatham Islands: Cloudy, with occasional rain or drizzle.
Monday: North Island, a few showers for most, possibly heavy during the afternoon and evening. South Island, showers in the west gradually clearing. Mainly fine elsewhere, apart from isolated afternoon and evening showers.
Tuesday: North Island, cloud increasing, and rain developing in the evening from the west. South Island, cloud increasing and rain developing, possibly heavy in the west.
Wednesday: North Island, rain, briefly heavy, easing to a few showers. Clearing in the east to a mostly sunny day. South Island, Rain at times in the west and far south, some heavy falls possible along the main divide. Mainly fine elsewhere.
Chatham Islands: Rain and northerlies on Monday, to cloudy periods on Tuesday. Northerlies strengthening and rain developing again late Wednesday.