Powerful gusts reaching velocities of up to 155km/h (96mph) have caused around 90,000 homes lacking electricity and forced agencies to halt more than 100 air travel services, as reported by domestic outlets.
These gusts are impacting the whole South Island and southern sections of the northern region, according to the country's meteorological service.
The nation's agencies have issued rare severe gust advisories - the most severe warning - in central regions such as these major districts.
Residents have been urged to remain inside, stay off roads, and get ready for more utility disruptions.
Widespread Destruction and Emergency Measures
The power cut is primarily influencing residences mainly in the southern region, although authorities state that energy was being restored progressively.
Domestic outlets have stated that in certain areas homes have lost their roofs, whereas power lines and trees have been toppled by the winds.
Within the capital, a individual was fatally injured after being struck by a falling limb at a frequent walking route on earlier this week.
Also in the capital, a female was blown onto approaching vehicles on a street by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Aircraft services in and out of the urban area have been halted due to the weather, and various routes and public facilities are also closed.
At the same time local leaders have declared a state of emergency, to assist emergency management operations.
Labor Protests Alongside Extreme Weather
The powerful gales on Thursday coincide with numerous of school staff, physicians and civil servants are engaged in what has been termed a "significant labor action", calling for improved salaries and workplace environments.
Yet the extreme weather has pressured them to change various scheduled activities, with some outdoor rallies shifted to interior venues or abandoned.
Similar gusts are affecting the neighboring country, ushering in a period of extreme heat to the remote areas.
Agencies have declared flame prohibitions for concern about bushfires.
