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Incoming cold snap – Tuesday onwards

The current low pressure system bringing heavy downpours to some in the North Island today peels away to the east of the North Island on Tuesday, this combined with a high moving into the Tasman Sea will bring a period of cold southerlies for New Zealand from Tuesday through to Thursday. Conditions ease on Friday as this high then pushes in.

This change first moves onto the lower South Island around midday on Tuesday then pushes into Canterbury in the evening. Expect a period of rain and temperatures to tumble as it moves northwards.

Wednesday morning will see this cold air move onto the lower North Island then finally affecting the upper North Island from evening.

The overall picture will see a series of cold fronts and troughs passing over the country between Tuesday and Thursday, typically speaking as these fronts move northwards there will be periods of widespread rain, perhaps heavy then there will be periods of showers behind the fronts, some possibly heavy with hail. Showers will more then likely mainly affect areas closer to the coast while frontal zones will affect a larger zone including inland areas.

Snow will likely fall on all of the South Island mountain ranges, also the Remutaka Range and Central North Island areas. Some low level snow (200 or perhaps 100m) is looking fairly likely also for a time (mainly Tuesday evening / Wednesday) from Southland through to Canterbury.

For more exact details keep up to date with our daily forecasts published each morning at 4am, also there will be videos presented by Phil Duncan and further articles each day on what to expect. For weather watches and warnings head over to Metservice for the latest information.

Image: Wednesday 6th June 2018 Midday MSLP / Rain map –


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