A cold southwesterly airflow lies over the country today. Conditions are starting to ease for some parts of the South Island meanwhile the North Island still has showers, heavy at times with hail and thunder, clearing overnight for many.

Northland, Auckland, Waikato & Bay Of Plenty
Showers, heavy at times with thunder and hail, clearing overnight as strong westerlies change to the south. Showers remain overnight for western Northland.
Highs: 13-15

Western North Island (including Central North Island)
Showers turn to rain by midday as northerlies change to the south, rain clearing in the evening. There may be thunderstorms and hail with the change. Some snow lowering to 700m before clearing in the evening.
Highs: 7-13

Eastern North Island
Partly cloudy, rain develops for Wairarapa this morning, Hawkes Bay in the afternoon and Gisborne evening as a southwest change moves northwards. Concurrently rain eases in the south from evening.
Highs: 11-16

Wellington
Showers turn to rain this morning as southerlies strengthen, easing back to showers in the afternoon, some sun possible before dusk.
Highs: 9-11

Marlborough & Nelson
Showers, clearing up by midday with sunny areas then developing, southerlies ease later in the day. Cold overnight for inland areas with frosts.
Highs: 12-14

Canterbury
Early rain eases to showers, becoming restricted to the coastal fringe by midday. Showers on Banks Peninsula may be heavy with hail, perhaps some thunder then easing late afternoon. Snow to 500m. Cold southwesterlies, strong for coastal areas dying away in the evening.
Highs: 9-12

West Coast
Mainly sunny, a few coastal showers possible north of about Westport. Southern Fiordland also has showers. Winds from the southeast in the morning, tending more south to southwest in the afternoon.
Highs: 10-13

Southland & Otago
Showers, heavy at times with a risk of hail and thunder in the morning then easing. Snow to 400 / 300m in the morning then lifting above 800m in the evening. Cold southwesterly winds, strong for coastal Otago.
Highs: 8-11