Record Rainfall Triggers Devastating Floods and Landslides Across Wellington, New Zealand

Relief Directory StaffApril 23, 2026 at 10:00 AM

A record-breaking deluge struck New Zealand's capital on April 20, 2026, dumping 77 mm of rain in under one hour and triggering catastrophic flash flooding and landslides across the Wellington region. Authorities declared a state of emergency as floodwaters swept through suburbs, rendered homes uninhabitable, and blocked major transport routes.

Scale of the Disaster

The extreme rainfall — more than half of Wellington's typical April total falling in a single hour — overwhelmed drainage systems and sent torrents of water through the southern suburbs of Island Bay, Berhampore, Newtown, Brooklyn, and Mornington. Fire and Emergency New Zealand responded to more than 180 calls regarding flooding and landslides in just one morning.

Landslides were reported across multiple suburbs including Kingston, Brooklyn, Vogeltown, and Miramar, where slips blocked roads, damaged property, and isolated homes. A large landslide in the Kingston suburb blocked an entire residential street, forcing emergency evacuations. In Carterton, mandatory evacuations were ordered overnight as the Hutt River and Waiwhetū Stream overflowed.

State Highways 1, 2, and 58 were blocked by debris and floodwaters, severing key transport links across the region. Around 10 houses in Berhampore, Mornington, and South Karori were declared uninhabitable. A 60-year-old man was reported missing after floodwaters swept through his home in the Karori suburb.

Wellington Mayor Andrew Little estimated the storm damage could reach hundreds of millions of dollars.

Emergency Response and Relief Efforts

The New Zealand government fast-tracked $10 million in relief funding, prioritizing vulnerable families and rural road repairs. The National Emergency Management Agency coordinated helicopter rescues, delivering 100 tonnes of aid to affected communities.

Mayor Little launched a Mayoral Relief Fund in partnership with Wellington City Mission, initially seeded with $100,000, to provide one-off emergency relief including food, shelter, and clothing to those most in need.

American Red Cross — as part of the International Red Cross and Red Crescent Movement — is supporting New Zealand Red Cross, which deployed over 350 emergency management volunteers and 20 Disaster Welfare and Support Teams to provide shelter, household goods, needs assessments, and psychosocial support in civil defence centres.

How to Help

Monetary donations remain the most effective way to support flood-affected communities in Wellington. Cash donations allow relief organizations to respond flexibly to evolving needs on the ground.

Visit our 2026 Wellington Floods disaster page for a complete list of responding organizations and direct donation links. You can also explore our organization directory to find additional ways to support disaster relief efforts through the Relief Directory.