UPDATE: Dalby is in clean up mode today, after the floodwaters inundated 234 homes and businesses at the weekend.
Myall Creek peaked at 3.4m on Saturday night, causing the Charles Drew Bridge, Dalby's link to the east, to be briefly closed.
Water entered the living areas of 37 Dalby homes.
Further west, many Chinchilla businesses have started sandbagging, with Charley's Creek set to peak at 5.2m later today.
YESTERDAY: Up to 50 properties have been inundated following more floods in Dalby at the weekend.
The town was on flood alert when Myall Creek peaked at 3.21 metres on Saturday night.
Residents in low-lying areas north of Nicholson St experienced similar flood levels to January 2011.
Mayor Ray Brown said rescue crews were still door knocking this afternoon.
"There are still a lot of houses with water around them," he said.
"We believe 30 to 50 properties have been inundated. Certainly impact has occurred in Dalby."
A safe area was set up at the showgrounds, where residents who had self-evacuated and travellers were able to stay.
In Chinchilla, Charleys Creek was at 4.5 metres yesterday morning, while the Condamine River at Condamine is expected to peak tomorrow.
Cr Brown said they didn't expect any homes to be inundated, but that the situation would continue to be closely monitored by council and emergency services.
A number of roads in the region remain cut.
Kogan is now inaccessible from Chinchilla and Dalby, leaving residents able to travel only south to Tara.
The Moonie Highway between Dalby and Tara has also been cut.