Another burst of heavy rain with the potential to cause flooding is expected in Westland, the upper South Island, Mt Taranaki and the Tararua Ranges tonight.
North to northwesterly gales will bring further heavy rain to Westland and the headwaters of the Canterbury lakes and rivers tonight, and to the upper South Island tomorrow morning.
Up to 200mm of rain is expected in the higher parts of Westland, the ranges of Buller and Nelson and the northwest ranges of Marlborough in addition to what has already fallen today.
As the front moves slowly north overnight, heavy rain is expected to develop around the Tararua Ranges and Mt Taranaki where more than 200mm may fall about higher slopes on Sunday.
Further rain can be expected in these two areas overnight Sunday into Monday morning.
MetService calls this "a significant weather event" especially for the ranges of Buller, Nelson, and northwest parts of Marlborough.
Outdoor activities during this time are likely to be hazardous with slips and localised flooding possible.
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