“It’s going to be one of those warm, sticky days on Thursday – people will definitely notice the humidity,” Ferris said.
The most persistent rain will have eased come Saturday, but southerly winds will sweep the region, providing a nippy temperature.
“There could still be a couple of showers that will move through, but I wouldn’t say you would need to absolutely cancel your plans on Saturday,” Ferris said.
By Sunday, the showers were likely to have stopped and the next big area of high pressure would move on to the country, he said.
“If you were making plans and you had the ability to be flexible, Sunday at this point looks like the best day for it.”
Until Thursday, the weather is looking fine with an average of 21C across the first few days with minimal chance of showers.
Fin Ocheduszko Brown is a multimedia journalist based in Whanganui.