A southwesterly airflow lies over New Zealand on Tuesday, perhaps becoming a little unstable for the eastern North Island during the afternoon.

A period of morning rain or showers for the upper North Island on Tuesday then clearing early afternoon. The odd shower becomes heavy along the east coast in the afternoon then clearing later in the evening.

The South Island is relatively dry, isolated showers may develop in the afternoon for Marlborough and the odd shower moves into the West Coast during the day north of the Glaciers. Evening showers move in to Fiordland turning to rain there overnight.

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz