Northland, Auckland, Waikato & Bay Of Plenty
Early morning rain eases to the odd shower and sunny spells. Fresh southwesterly winds tend southerly in the afternoon about Waikato, further north in the evening.
Highs: 12-13

Western North Island (including Central North Island)
Rain with snow lowering to 400 or perhaps even 300m by midday then clearing early to mid afternoon, remaining fairly cloudy. Rain (possibly heavy) doesn’t ease and clear Taranaki till evening. Rain pushes in again overnight with snow to 600m. Cold southerly winds increase from morning, strong to gale about the coast.
Highs: 4-9

Eastern North Island
Rain about the Wairarapa pushes into Hawkes Bay towards midday then reaches Gisborne in the afternoon with a cold southwest change. Conditions easing later in the evening for most and clearing overnight. However about the Wairarapa heavy rain sets in overnight with strong southeasterly winds.

Snow lowers to 300m about the Wairarapa, 500m or perhaps even 400m for Hawkes Bay, Gisborne sees snow lower to 600m in the evening about the ranges. Overnight as that heavy rain pushes back into the Wairarapa expect heavy snow to 500m.
Highs: 9-12

Wellington
Morning showers and snow flurries to 300m clear, remaining fairly cloudy then overnight rain moves in, possibly heavy with snow to 400m. Brisk to strong southerly winds. Gales through Cook Strait rising to severe gale overnight. Wellington itself may experience severe gale southerly winds by dawn on Thursday.
High: 8

Marlborough & Nelson
A few morning showers and snow flurries to 300m clear, afternoon sunny spells. Winds brisk to strong from the south, gales about coastal Marlborough may rise to severe gale overnight.
Highs: 8-10

Canterbury
Wintry showers, snow flurries to low levels (200 to 100m) possibly near sea level at times. South Canterbury may be fairly dry in the morning with shower activity pushing in during the afternoon. Winds fresh from the south becoming strong about the coast from afternoon.
Highs: 2-6

West Coast
Mainly sunny after morning cloud breaks away, south to southeasterly winds. Cloud and a few showers inland about the ranges pushing in from the east. Showers more likely about the ranges in the evening with snow flurries to 300 or perhaps even 200m.
Highs: 8-10

Southland & Otago
A few sleety showers and snow flurries to near sea level (more likely about 100m and above), there may be periods of dry especially about Southland in the afternoon. Flurries lift to 300m at night. Cold south to southwesterly winds.
Highs: 2-7

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz