It looks like it will be a wet start to the week for parts of the North Island.
MetService has issued a heavy rain watch for six central New Zealand regions as a complex low pressure system moves across the country from the Tasman Sea overnight.
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Western Nelson will bear the brunt of the bad weather, with heavy rain expected from 5am on Monday to 9am on Tuesday, as well as possible thunderstorms.
Nelson from Motueka eastwards and Marlborough from Richmond Range to the Sounds can expect a shorter period of rain, ending at about 8pm on Monday.
Westland north of the Glaciers is also in for a prolonged drenching from 9am on Monday to about 6am on Tuesday.
Mt Taranaki could see some thunderstorms as well as a full day's rain from 7am until 9pm on Monday.
Tongariro National Park and the eastern ranges of the Bay of Plenty will also likely be hit, but not until Monday afternoon, lasting until the early hours of Tuesday morning.
MetService says much of western and northern New Zealand can expect to see some rain over Monday and Tuesday, as well as some strong norh-westerlies over the North Island.
They advise Kiwis to keep an eye on the latest forecast updates in case any of the severe weather watches are upgraded to full warnings.