InfoGraphic: The Big Picture for Tuesday

A westerly airflow lies over New Zealand on Tuesday, a front pushes onto the lower western South Island in the evening.

Mostly cloudy for western New Zealand on Tuesday, the odd patchy shower about. Rain becomes heavy about Fiordland in the evening.

Sunnier skies for eastern regions, Southland sees the odd shower especially nearer the coast.

By Weather Analyst Aaron Wilkinson -