Heavy rain in Queensland left motorists stranded and homes flooded, while tourists were rescued from rising floodwaters.
The ABC reports the Landsborough Highway was cut between Tambo and Blackall in the central west of the state affecting hundreds of motorists.
Tourists have also been stranded in Birdsville in the state's far south-west and several motorists had to be rescued after their vehicles became bogged down.
Four holidaymakers have been rescued from their utility after they became stranded in rising floodwaters in south-east Queensland.
A rescue helicopter was called to the Kinkuna National Park near Bundaberg on Sunday. Two 15-year-old girls were rescued using ropes on the ground while two adults were winched to the helicopter.
Heavy rain has also closed a number of roads in the state's Central Highlands.
The State Emergency Service says there was flooding in the town of Sapphire when a river rose quickly.
A 37-year man was trapped in his car for 20 minutes when it flipped and landed on its roof in rising floodwaters on the side of the Sunshine Motorway on Saturday night. Firefighters had to cut the man free from the wreckage as he hung upside down with his head barely out of the water.
The man was taken to the Nambour Hospital with suspected spinal injuries.
Australia's Bureau of Meteorology says falls of up to 127mm were recorded in parts of the Sunshine and Cooloola Coast regions in a 24 hour period.