No bodies have been found in a mass of cars washed under a Queensland town's rail bridge where authorities feared they would find several people dead.

NZ's Civil Defence team was back on the move in flood-ravaged Queensland today after spending a frustrating day off confined to one of the state's isolated communities.

The threat of looting is making Queensland flood victims reluctant to evacuate their properties.

Brisbane's mayor has called on residents to 'put the shoulder to the wheel' and help clean up.

The frightening power of the brown surge heading towards Moreton Bay leaves no mistake about the devastation that this flood has done.

Find out what people are saying about the Queensland floods in social media.

Sunday's A-League soccer match between the Wellington Phoenix and Brisbane Roar at Suncorp Stadium has been postponed.

Watch livestreaming footage of the flooded Brisbane River, due to peak at 7am New Zealand time.

The death toll from flooding in the Toowoomba region has risen to 12 with the discovery of two more bodies, while the full impact of the flood terror is now reaching the town of Grantham, where up to 30 could be dead.

Three thousand homes in Ipswich, southwest of Brisbane, are now under water and 1500 people have gone to evacuation centres, with the predicted flood peak still three hours away.

Peaking river levels in Brisbane could have a devastating effect this evening, with almost 20,000 homes expected to be swamped by tomorrow. Meanwhile, 56,000 homes and businesses are without power and a fire has started at Suncorp Stadium.

The cause of today's flooding in Brisbane is very different to the devastating floods in Toowoomba yesterday.

Brisbane is bracing for a high tide this afternoon as thousands evacuate due to flooding in Queensland that has left 10 dead and another 90 missing.

Toowoomba boy Jordan Rice, 13, has been remembered as a hero after he let his younger brother be rescued first.

A decision is expected today over a possible postponement of the A-League match between the Wellington Phoenix and Brisbane Roar.

Back on January 1 authorities said Queensland was facing a flood of "biblical proportions". Now, almost two weeks later, and it's hard to fathom that the "worst is yet to come" as unprecedented flooding hits the drought ravaged region.

A Kiwi living in Brisbane described the city as total chaos yesterday as people were evacuated.

The death toll from flooding in Queensland is expected to rise, says Premier Anna Bligh.

'Oh my God, I'm being swept away, come and get me,' was the last thing a NZ woman heard from her son, phoning from floodwaters.

Bystanders watched in horror as a woman only centimetres from her rescuer lost her grip on a power pole and disappeared under a torrent of dirty water during flash floods in Queensland.

The NZ Civil Defence team helping residents of flood-stricken Queensland has been forced to return to the town of Condamine, as more floods again hit the town they had just left.

At least eight are dead and 72 unaccounted for after a wall of water rushed through the Australian city of Toowoomba.