Take a look at some photos of the French Riviera after the flash floods hit.

Whakatane District Council has an estimated $3.2 million clean-up bill following last week's flood that left more than 110 houses uninhabitable.

Northland is expected to suffer a deluge tonight while snow and ice pose difficulty for motorists on the roads.

The Bay of Plenty is preparing for more heavy rain as more than 100 water-damaged houses still stand empty.

Heavy rain has caused widespread flooding in Auckland, Coromandel and the Bay of Plenty with one family trapped in their car having to be rescued by firefighters.

The extent of the damage across flood-stricken Otago is starting to become apparent as swollen rivers recede.

The rain has stopped falling in flood stricken Otago and Hawkes Bay, but the regions face a big, expensive cleanup.

A large landslip swept through a campground where up to 42 people were sleeping in flood-stricken Central Otago early today.

Further flooding is possible for the South Island's sodden Waitaki district, where 1000 people remain without drinking water.

Nine tourists have been stranded by floodwaters on State Highway 1 north of Oamaru after failing to observe warning signs earlier today.

Heavy rain and gales are expected to lash the main islands from tonight, with the MetService warning of one of the "bigger weather events" for some time.

Don't put the umbrellas away just yet. A storm bringing more heavy rain and winds is on its way to parts of the North Island.

Evacuated families have begun returning to their homes after flooding in the Nelson region during the weekend.

Heavy rainfall has left families isolated in the Tapawera area, south-west of Nelson, with 20 households evacuated so far.

Forecast rain today is expected to raise the Lake Wakatipu level, but not beyond its peak, reassures Queenstown Lakes District Council.