Here’s what is making the weather headlines today…

INSTABILITY – NORTH ISLAND

A front and cold upper air lead to showers with a chance of thunderstorms and hail for some parts of the North Island today.

For more details check out today’s thunderstorms outlook from Metservice here.

FROSTY IN THE SOUTH

Cold this morning for inland parts of the South Island, especially the lower half. A risk exists again tomorrow morning but it’s mainly inland about alpine areas, the frost risk eases on Wednesday but still a chance for the most sheltered of inland spots.

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LOW AND FRONT END OF THE WEEK

A low pressure system moves into the Tasman Sea on Thursday then flings out a front over the country on Friday, this brings some heavy rain as it moves through.

Between now and then there will be changes in the exact details of this front and how it moves through. But one way we can get an idea of where heavy rain may fall is by looking at the precipitation percentage of normal chart below.

At this stage it’s the top of the South Island and South Westland / Fiordland that appear to get the heaviest rain, elsewhere is either average for the time of year or drier in the case of eastern regions.