In June, floods and storms associated with an upper trough system and an east coast low occurred across south-east Queensland and northern New South Wales, causing damage to cars and homes. Rainfall totals were generally four to five times above the average levels. The Gold Coast recorded a total of 368 mm in a 24 hour period. The highest total rainfall in the period was 595 mm recorded at Loder Creek Dam.

Flood warnings were issued for major rivers from mid-north New South Wales to southern Queensland. In the northern New South Wales town of Lismore, the Wilson River peaked and as a precaution, approximately three thousand residents were asked to evacuate their homes. Two people died in south-east Queensland. 

The Insurance Council of Australia estimated the 2005 damage at $53.9 million, with the 2011 estimated normalised cost of $93 million.

See related event for NSW.