20/06/2026
Shared from Civil Defence Emergency Management Canterbury and MetService New Zealand
Good morning Canterbury,
The latest wind and raining orange warnings from MetService as at 09:51, 20 June 2026.
Heavy rain warning - orange
Area: Headwaters of the Canterbury lakes and rivers south of the Hurunui River
Period: 10 hours from 9:00am Sat 20 Jun to 7:00pm Sat 20 Jun
Forecast: On top of what has already fallen, expect 200 to 250 mm of rain about the main divide, and 100 to 140 mm within 15 km farther east, with thunderstorms possible. Peak rates of 20 to 30 mm/h expected about the divide. Freezing level about 2600 metres in heavy rain. Minimal chance of upgrading to a Red Warning.
Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously.
Strong wind warning - orange
Area: Canterbury Plains about and north of Rakaia, including Christchurch and Banks Peninsula
Period: 4 hours from 1:00pm Sat 20 Jun to 5:00pm Sat 20 Jun
Forecast: Severe gale northwest winds gusting 120 km/h in exposed places.
Minimal chance of upgrading to a Red Warning.
Impact: Damage to trees, powerlines, and unsecured structures possible. Driving may be difficult, especially for high-sided vehicles and motorcycles.
Action: Prepare your property by securing items that can be picked up by strong winds. Drive cautiously.
For more information and updates visit https://www.metservice.com/warnings/home
