HEAVY rains of up to 100mm could strike swathes of southern and central Queensland as the Bureau of Meteorology sounds an early warning about looming weekend storms.
A flood watch is now in place for rivers, creeks and catchment areas, including the Georgina and Diamantina Rivers, Cooper Creek, Bulloo, Paroo, Warrego, Balonne, Moonie and Border Rivers.
Drivers are also warned to stay off the roads as the rains approach.
There is no such warning for New South Wales yet, but the BOM warns the deep trough travelling from western Queensland could evolve into another East Coast Low off the NSW coastline.
Early images from BOM suggest the entire coastline from Townsville to Yamba in northern New South Wales can expect up to 50mm as it heads east.
With so much of the state already sodden from rainfall this month, BOM Acting Queensland Regional Director Richard Wardle said to expect flash flooding in some areas, and prepare for rivers and creeks to rise.
"Rainfall and gusty storms are expected throughout the weekend," Mr Wardle said.
"These storms may be severe, particularly close to the trough, and we urge the public to stay tuned for warnings and local media updates over the weekend.
"While there is the potential for another East Coast Low to develop off the NSW coast as the system moves further south, this will not have an impact on Queensland.
"The impacts of coastal erosion are unlikely to be as significant as early June, due to generally lower tides and swells," said Dr Wardle.
Western parts of Queensland will cop the first rainfall from the trough, but the BOM expects it will move and expand to affect much of southern Queensland, with some rain expected as far north as Townsville.
Isolated falls of more than 100mm are possible with thunderstorms.
Queensland Fire and Emergency Services Deputy Commissioner Mike Wassing said it was time to think about whether you really need to be on the roads this weekend.
"If you do, make sure you have a Plan B in place, including identifying alternative routes. Flooded roads are dangerous and unpredictable, and the message is simple: if it's flooded, forget it," he said.
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