New Plymouth's Wind Wand light has been blown after the sculpture was struck by lightning.

A video on PrimoWireless' Facebook page showed footage of the Len Lye sculpture being struck by lightning about 6.11pm on Sunday night.

The page also shows the chimney at Port Taranaki being struck about 5.14pm.

PrimoWireless The Len Lye sculpture was struck by lightning about 6.11pm.

On Monday morning, New Plymouth District Council Recreation and Culture Manager Teresa Turner said the Wind Wand had no obvious structural damage from the lightning strike.

"However we're organising for it to be inspected to determine what, if any, maintenance is required."

Earlier on Sunday MetService issued a severe thunderstorm watch and predicted thunderstorms would hit the region first before moving acoss the upper North Island.

PrimoWireless Lightning strikes in New Plymouth.

READ MORE: Severe thunderstorm watch issued for parts of the North Island

More than a hundred homes were without power and streets were flooded in South Taranaki because of the thunderstorms.

Hundreds of homes around Taranaki went without power on Sunday night and 226 homes in Stratford were still without power on Monday morning.

Multiple calls about flooding in Opunake also kept South Taranaki emergency services busy on Sunday night, a police spokeswoman said.

People took to Facebook to offer warnings to others who may be on the roads.

Monique Sinclair said there was surface flooding on both entrances to Opunake.