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.

The Government is considering a range of measures to assist in flood-ravaged Queensland.

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.

A NZ Civil Defence worker who is part of a team helping residents of Queensland is overwhelmed by the scale of the devastation.

Amid tales of tragedy and heroism in the devastating floods, there's always some clowns.

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.

Internet trolls have defaced a Facebook site paying tribute to the victims of the Queensland floods.

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

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

A kayaker held on for his life as a shark ripped into fish just a metre under him in a violent feeding frenzy.

'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.

Whole families are unaccounted for after flash floods in southern Queensland, with eight confirmed dead and Premier Anna Bligh warning the toll could rise dramatically.

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