Windy, sub-tropical, nor’westers are about to boost temperatures even higher in the east – and it’s all ahead of a large low expected for the long weekend.

The low may not produce severe weather for days, but it does produce some risks into both main islands over a day or two. 

This remains a developing situation which means forecasts are going to chop and change a bit – we explain why that is and take a Big Picture look at what is driving our weather this week and going into Labour Weekend.