A large low in the Tasman Sea slowly moves closer towards the North Island during Monday coming in from the west, the centre of this low crosses over the upper North Island overnight. Meanwhile an easterly quarter airflow lies over the South Island bringing some rain or showers in the east and dry weather out west.
Morning rain (possibly heavy) for Northland and Auckland on Monday eases to showers in the afternoon, showers may contain a kick however in the form of isolated downpours / thunderstorms then easing later in the day. The Waikato and Bay Of Plenty sees the odd shower then rain moves in during the afternoon before easing back later in the evening. Winds from the east or northeast and temperatures reaching into the high teens.
The east coast and Wellington sees mostly cloudy skies, the odd shower about and easterly quarter winds. In the west expect mainly dry weather and high cloud with southeasterly winds, rain moves into Taranaki during the afternoon however then slipping a little further south later in the evening. High’s a bit cooler sitting in the mid teens.
For the South Island; Marlborough through to coastal Otago expect mostly cloudy skies with areas of rain or drizzle, rain more likely in the morning for isolated areas and winds from the northeast. Southland, inland Otago and along the West Coast can expect mostly sunny conditions and southeasterly winds. North Westland will see some high cloud. Nelson sees cloudy areas although looking mainly dry, just the risk of a shower or two at times.
Afternoon high’s in the mid teens for Canterbury, Marlborough, Nelson and along the West Coast. High’s just reaching into double figures for Coastal Otago meanwhile inland Otago and Southland see high’s in the single figures after a very frosty start.
Image – Monday 4th June 2018 Midday MSLP / Rain map – weathermap.co.nz