A strong north to northwesterly airflow lies over the country ahead of a front which will work its way north over the South Island during the course of today. Plenty of rain on the West Coast of the South Island, dry out east although southwesterlies later in the day bring rain. Dry over the North Island however overnight rain develops in the southwest.
Upper North Island
Sunny areas and some cloud with northerly breezes, cloud thickens later in the evening.
HIGHS: 23-25, high 20’s about Gisborne
Lower North Island
Mostly sunny with northerly breezes in general, winds on the coast in the west will be a bit brisk however with cloudy periods becoming totally cloudy by evening with rain overnight. Expect gale force winds in Wellington and about Cook Strait. Warm on the east coast with some high cloud, north to northwesterly winds becoming strong at night.
HIGHS: 21-23 in the west, 28-31 in the east
Upper South Island
Strong northwesterly winds gale force at times from midday mainly on the east coast. Expect heavy falls on the West Coast south of Wesport with thunderstorms, more general rain north of Westport. Winds change westerly at night with rain easing to showers overnight. On the east coat expect mainly dry conditions with high cloud, rain near the foothills. There may also be an area of rain about South Canterbury clearing for a time mid afternoon then late afternoon southerlies freshen with a period of showers which spread into Christchurch around midnight. Overnight expect the odd random heavy shower to move through about Canterbury with the chance of thunder and hail mainly south of Banks Peninsula.
HIGHS: 18-19 on the West Coast. 21 for Nelson, 25-27 in Canterbury and Marlborough
Lower South Island
Heavy thundery falls about South Westland, more general rain in Fiordland. Winds mostly northwesterly strong about South Westland. Cloudy in Southland and Otago with variable winds, showers and dry spells. By midday showers turning to rain and becoming more widespread as southwesterlies freshen. Rain easing to showers later in the evening, overnight the odd shower may be heavy and thundery with a risk of hail.