Auckland has copped an overnight soaking, amid warning of heavy rain today.
Tāmaki Makaurau hac copped heavy rain overnight as an active front moves up the country from the South Island - bringing wet weather and strong winds to the city's morning commute.
A spate of weather warnings has been issued across the country - including heavy rain warnings for Northland, Auckland, Bay of Plenty, Gisborne, Taranaki, Nelson, Westland and Fiordland.
For Auckland, a MetService-issued "heavy rain watch" is in force until 11am Monday.
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Advertise with NZME.Meanwhile, parts of the South Island are bracing for more flooding, with heavy rain due today.
While the rain won't be as heavy as last weekend's deluge, forecasters are warning areas that are already waterlogged are in the firing line again.
MetService has heavy rain warnings in place for parts of Nelson and Westland, where up to 150mm of rain could accumulate about the ranges.
The warnings are in place from around 8pm Sunday until this evening.
Streams and rivers could rise rapidly and surface flooding and slips are possible, the warnings say.
Strong or severe gales are also expected before the rain arrives.
The NZTA is warning those north-west of Nelson and through Marlborough to take extra care this morning as they set off for work.
"Drive to the conditions and be aware that there could be slips, surface flooding, or debris on the road which will be hard to see overnight.
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Advertise with NZME."Our crews will be out and about monitoring the roads but we need everyone to take extra care," a spokesperson said.
Torrential rain in the region last week saw the Buller River topping its banks and flooding Westport. The "one-in-100-year" flood event left many people homeless, and more than 100 homes unliveable.
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Niwa is forecasting "extremely high river flows" in response to the forecast heavy rain over the top of the South Island and is warning people to never drive through floodwaters.
MetService meteorologist Dan Corrigan said most of the country would be affected to some extent.
Heavy rain is due for inland Marlborough, the Tasman district and parts of Buller, where the ground's already saturated.
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Advertise with NZME.The incoming poor weather is due to an active front that would hit Fiordland and the West Coast before moving up over the top of the South Island overnight, Corrigan said.
By Monday morning the strong winds and rain would arrive in Auckland and Northland, he said.
Commuters should "stay safe and drive to the conditions" this morning.
The front would then move across to the western Bay of Plenty and the northern Gisborne region.
Heavy rain watches are in place for Northland, Auckland, Coromandel, Bay of Plenty, Gisborne and Taranaki from early Monday morning.
Strong wind watches are also in place for much of the North Island, Banks Peninsula and the Canterbury high country on Monday.
