Hundreds of residents have been evacuating their homes as floodwaters continue to rise in the Wagga region of New South Wales.
A spokesman for the State Emergency Services says the water is rising steadily and they expect access to many roads to be cut.
About 720 residents have been issued with evacuation orders in Wagga Wagga.
The Murrumbidgee River at Wagga Wagga is predicted to reach a major flood level of 10 metres early on Monday.
This height will threaten the North Wagga Wagga levee.
An evacuation order has been issued by the SES for people in the affected areas of Gumly Gumly, East and North Wagga Wagga.
More heavy rainfall expected later in the week will exacerbate the situation further.
Natural disaster declarations have been made for 11 shires.
In the northwest of the state, residents in the town of Coonamble
have been told to evacuate the area, as the Castlereagh Rivers swells.