A large low pressure system brings unsettled weather to most of New Zealand on Tuesday, it may appear calm in the morning for much of the North Island then conditions deteriorate during the afternoon.

Dry in the morning for many North Island regions then showers develop in the afternoon, some becoming heavy with thunderstorms and hail then easing later in the evening. Winds mostly light tending onshore in the afternoon.

A dry morning north of Banks Peninsula in the South Island, showers then develop in the afternoon (some may be heavy) before easing later in the evening. Areas of rain south of Banks Peninsula in the east with heavy falls possible at times especially about eastern Otago. Snow to 500m about the lower South Island lifts during the day.

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz