Northland, Auckland, Coromandel Peninsula and Bay of Plenty: Fine at first. Isolated showers developing overnight, turning to rain later tomorrow.
From Waikato to Manawatu, including Taupo, Taumarunui and Taihape: Fine tonight. Rain spreading eastwards tomorrow afternoon and evening.
Gisborne, Hawkes Bay and Wairarapa: Fine, apart from scattered rain in Wairarapa from tomorrow evening.
Wellington and Kapiti: Cloud increasing. Rain developing tomorrow afternoon.
Nelson and Marlborough: Fine tonight. Rain developing tomorrow morning.
Buller and Westland: Rain with heavy falls, spreading northwards, reaching Buller this evening, then easing to showers from the south tomorrow.
Fiordland: Rain, heavy at times, and possibly thundery from this evening.
Canterbury, Otago and Southland: Mostly fine, however rain near the Divide clearing tomorrow morning. Chatham Islands: Cloudy periods.