Police Commissioner Ian Stewart says it's still a risky situation.
Earlier, the body of a woman who had been reported missing at Burringbar, south of Murwillumbah in NSW, was discovered at a flood-affected property on Friday morning and another woman's body was found trapped in her auto after it was swept off a bridge into a river outside Gungal.
Fears are held for a further three people who have been reported missing since the storm swept through Queensland and NSW last week.
As Central Queensland residents prepare for the biggest flood in 63 years, authorities are warning NSW locals starting their clean up that the danger is not over yet. Farmers moved livestock to higher ground, while others sandbagged property, desperately trying to stop floodwaters.
The scene was grim along the Logan River. Another three people were confirmed dead - two in NSW and one in Queensland - on Saturday but police were still investigating whether their deaths were flood-related.
"We got as much out as we could in the short time that we had", she told AFP. "I'd only just finished renovating the house, and it is all gone again now".
Mr Turnbull has urged residents to listen to the advice of authorities and emergency services.
"In many parts of the country, you will see flood waters continuing to rise over the next days", he told reporters.
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'This is a very unsafe time in these flooded areas, ' he told reporters in Melbourne on Saturday.
The QFES said the photos were taken while out checking flooded roads.
A powerful cyclone that tore through northeast Australia has left the ground littered with battered trees, ripped-up roofs - and one very unlucky shark.
It was downgraded to a tropical low as it tracked southeast.
Flood sirens sounded before dawn at Lismore when the Wilsons River surged over the town's levee.
Matthew Roser, 46, died of a heart attack while battling floodwaters at his New South Wales home, and 45-year-old Mark Austin was found dead at a flooded South Murwillumbah caravan park on Saturday.
The military and emergency personnel were working to restore essential services such as water and electricity in towns that were in the direct path of Debbie in northern Queensland.
The Insurance Council of Australia has declared the Queensland and northern NSW regions disaster zones, estimating the damage bill could reach Aus$1 billion (US $770 million).