States of emergency are in place for the Ōtorohanga District and Waipā District.

The town of Kāwhia is currently isolated due to multiple slips, according to Ōtorohanga District Council.

A man died after his vehicle became submerged in floodwaters while travelling on SH39 on Friday.

Intense rainfall wreaked havoc across Waikato on Friday and Saturday, with state highways closed.

Heavy rain warnings have been issued for Tairāwhiti Gisborne, part of Hawke's Bay, part of Whanganui and Manawatū, Wairarapa, Tararua District and the Tararua Range, along with Taihape.

Strong wind warnings have been issued for Tairāwhiti Gisborne, Wairarapa, Tararua District, and part of Wellington and Marlborough.

Heavy rain watches cover part of Hawke's Bay, Wellington and part of Marlborough and Canterbury.

Strong wind watches cover Manawatū, Taihape, Whanganui, Horowhenua and Kāpiti Coast, part of Marlborough and the Chatham Islands.

The deluge comes weeks after deadly storms killed nine and left a trail of destruction.