Queensland communities already cut off by floodwater are facing another cyclone threat, while Brisbane residents have been warned high tides could bring localised flooding in a matter of days.

A severe thunderstorm alert has been issued for South East Queensland, with 65mm of rain falling in just 30 minutes, as the region prepares for a days-long bout of wild weather.

A plan to fix beaches still damaged by Cyclone Alfred has been finalised, with millions of dollars allocated to the project.

Queensland is under threat from more wild weather this weekend after weeks of rain and floods left parts of the state underwater. There's a low pressure system threatening to intensify into a cyclone ...