Alert opened: 30 May 2026
Heavy Rain Watch
Period: 12hrs from 6am - 6pm Sun, 31 May
Area: Headwaters of the Otago lakes and rivers
Forecast: Periods of heavy rain, and amounts may approach warning criteria within 15 km east of the Divide. Thunderstorms possible. Moderate chance of upgrading to a Warning.
Heavy Rain Warning - Orange
Period: 37hrs from 6am Sun, 31 May - 7pm Mon, 1 Jun
Area: Headwaters of the Canterbury Lakes and Rivers
Forecast: Expect 400 to 500 mm of rain about the Divide, and 150 to 250 mm of rain within 15 km east of the Divide. Peak rates 20 to 25 mm/h. Thunderstorms possible. Minimal chance of upgrading to a Red Warning.
Impacts: 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.
Issued: 9:53am Sat 30 May
Next update: 9:00pm Sat 30 May
Affected districts
Know where you can find up to date information
Maniototo Burn - 92.3 FM/729 AM
More FM - 90.3 FM / 94.3 FM
RNZ National - 101.5 FM/639 AM
Newstalk ZB - 89.6 FM / 95.1 FM / 90.6 FM
Radio Central - 91.9 FM (Alexandra, Clyde, Cromwell), 94.3FM (Teviot Valley), 104.3 FM (Maniototo)
Radio Live - 95.9 FM
Radio Wanaka - 92.2 FM
The Hits - 99.9 FM
More FM - 93.7 FM (South Otago from Clinton), 92.9 FM (Balclutha),
107.1 FM (from Lawrence).
Hokonui - 94.8 FM (Southland), 91.3 FM & 88.3 FM (South Otago),
95.2FM (West Otago)
RNZ National - 101.4 FM / 810 AM
Radio Dunedin - 1305 AM, 95.4 & 106.7FM
More FM - 97.4 FM
The Hits - 89.4 FM
The Breeze - 98.2 FM
Magic Talk - 96.6 FM
Newstalk ZB - 1044 AM
RNZ National - 101.4 FM
RNZ National - 810 AM
OAR FM - 105.4 FM, 1575 AM
Queenstown Lakes - Queenstown
More FM - 92 FM
The Hits - 90.4 FM
Newstalk ZB - 89.6 FM
RNZ National - 101.6 FM/1134 AM
Queenstown Lakes - Wanaka
Radio Wanaka - 92.2 FM
More FM - 99.4 FM
The Hits - 96.2 FM
RNZ - 101.0 FM
Newstalk ZB 90.6 FM
More FM - 100 FM
RNZ National - 101.4 FM & 810 AM
Newstalk ZB - 1395 AM
Oamaru Heritage Radio - 88.3 & 107 FM
Real- 104FM
The Hits - 98.4 FM
Oamaru FM - 91.2FM
The Breeze- 97.6 FM
Puketapu Radio - 756 AM
