A front moves onto the West Coast of the South Island this afternoon bringing some heavy rain which then pushes onto the west of the North Island overnight. This front weakens quickly early on Tuesday morning however it may leave in its wake an unstable afternoon for some, then another low in the Tasman affects some western parts of the North Island from later in the evening. Wednesday sees this low weaken and cross central NZ then passing out to the east of the country while a southwesterly airflow then develops over both Islands.

Monday

Blue – Some rain for the West Coast of the South Island may become heavy this evening, this area of rain also pushing onto western parts of the North Island overnight. It eases quickly early on Tuesday morning.

Tuesday

Blue – During the afternoon about parts of the lower South Island as depicted below, showers develop some of which may become heavy with thunderstorms then easing in the evening. A few heavy showers may also develop in the afternoon about some parts of the lower North Island although the thunder risk is on the lower side.

Later in the evening a band of rain pushes into the northwestern corner of the upper South Island and Tarnaki through to western Waikato. There may be the odd heavy fall here but especially about Taranaki where thunderstorms are looking fairly likely.

Purple – Northwesterly winds become gusty about the coast late evening onwards from Taranaki through to western Northland.

Wednesday

Purple – Southerly winds become gusty in the afternoon about Wellington before easing in the evening.

– Please note, the idea behind this update is to focus on the main weather highlights, which is why not all regions are mentioned. 

For specific 10 day information for your city, town, rural community or island please see the 1500 forecasts on our homepage!

– Aaron Wilkinson, WeatherWatch.co.nz