Rain showers and thunderstorm in the north, colder with snow in the south (+5 cards)

More rainstorms, isolated thunderstorms and even hail are predicted for the upper North Island of New Zealand, because a large-scale low pressure system continues to traverse the country very slowly on Wednesday and Thursday.

This rainy setup will cause heavy downpours and isolated thunderstorms along western and northern areas, mainly Auckland, Northland and possibly the bay of Plenty later, but some may spread further south in Taranaki and Waikato. Locally heavy rainfall is possible, especially around the range in the central and upper Noordereiland.

The downside of this setup is that a large part of the South Island is drier than average for the coming week, but in the coming days it will be colder with showers and fall like snow gusts above 500 meters.

A colder souwester sweeps NZ through Thursday night and Friday, easing towards the end of Saturday as a major high enters the Tasman Sea and this large low pressure area from NZ continues to drift east from us over the South Pacific.

(Red = drier than average, White = average rainfall, Blue = wetter than average). Data from the US government.

– WeatherWatch.co.nz

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