MetService is warning of heavy, thundery rain over the north of the North Island Saturday morning and in to the afternoon.
The most intense rainfalls are expected south of Auckland, Coromandel Peninsula, Waikato and the Bay of Plenty, west of Tauranga. Gusts could get up to 110km/h, and there could be up to 35mm of rain per hour.
Large areas of west and northwestern Auckland are experiencing continued power outages as of early Saturday morning.
Auckland Council contractors are working around the clock to deal with the mess from this week's storm. The council has received more than 2000 callouts for downed trees this week - more than they get in an average month.
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Thirty-five crews are working in shifts to help clear trees. Head of operational management Agnes McCormack says contractors from Hamilton and Whangarei have also been called in.
"That's to support us and our contractors to make sure we cut through all the emergency work, all the critical work to make things safer for everybody."
Tree debris clearance work will start next week.
"That's when you will see our contractors going into parks and open spaces where there are piles of branches, and we will be chipping them, making sure that it's cleared, really."
She says the public should leave the hard work to the professionals, rather than risk their own safety.
"When it comes to the public working on their own private land that they look after themselves, don't underestimate the size of the [job] on your own land - get professionals in to help you."
Auckland Emergency Management director John Dragicevich warned Aucklanders to be prepared.
"MetService has advised that there's more wind and rain coming. Please check that items on your property are secure, that includes any trees that may have been damaged in Tuesday's storm, and make sure you've restocked batteries for torches and .
"We can't emphasise enough how important it is for people to look out for each other and check on neighbours, friends and family that might not be coping under these circumstances, especially those with young children and the elderly."
The good news is that with all the rain and cloud cover overnight temperatures will be mild in the super city, not expected to fall below 15degC until Wednesday.
Have you been affected by the power outage? Or do you know someone who is going above and beyond to help others who have been affected? We'd love to hear from you.
Get in touch with our reporter Cleo Fraser. Email firstname.lastname@example.org or call on (09) 928 9050.