From MetService – A moist northerly flow is expected to bring outbreaks of rain to much of the North Island today. Some heavy falls are likely over western and central regions. There is a generally low risk of a few embedded thunderstorms for these areas this afternoon and evening, as indicated on the chart. If any thunderstorms eventuate they could locally boost rainfall rates up to 25mm per hour.

There is also a low risk of isolated thunderstorms over Buller and Nelson later this morning and early afternoon, mainly about the ranges.

A southerly change is expected to move over Southland and Otago this afternoon,bringing showers to these areas. Some of these showers could be heavy in parts of Clutha, Dunedin, Central Otago and North Otago, with a low risk of isolated thunderstorms, as indicated on the chart.

No thunderstorms or significant convection expected elsewhere

A moist northwest flow is expected to bring further outbreaks of rain to much of the North Island. Heavy falls are likely in northern areas, especially about the eastern Bay of Plenty and possibly about central and western areas. There is a moderate risk of a few embedded thunderstorms for eastern Bay of Plenty during the morning, with a low risk for northern and western parts of the North Island as indicated on the chart. Any thunderstorms that eventuate in eastern Bay of Plenty could locally boost rainfall rates up to 25mm per hour, especially about the ranges.

A front is forecast to move onto the South Island during the morning, bringing further rain to the West Coast. There is a moderate risk of a few embedded thunderstorms for Buller late morning, with a lower risk extending down to central Westland and across Nelson to the Marlborough Sounds.

No thunderstorms or significant convection expected elsewhere.
 

– MetService