Severe thunderstorms are forecast for southeast Queensland on Thursday after the region has copped a drenching overnight.
The storms are expected to hit a just south of Brisbane which is experiencing commuter chaos.
Flash flooding could be experienced in areas surrounding the Gold Coast, Logan, Brisbane’s Bayside and Beaudesert, says the weather bureau.
Vulture Street in South Brisbane is blocked due to water on the road, as is busy Kingsford Smith Driver at Eagle Farm.
Bureau of Meteorology forecaster Kimba Wong says a band of heavy rain has swept from just south of Gladstone to the Sunshine Coast, with the deluge now affecting Brisbane and the Gold Coast.
Many coastal locations have recorded between 50 and 100mm in just a few hours, but others have seen far more.
Communities near Tin Can Bay, in the Wide Bay-Burnett region, have recorded falls of about 300mm since 9am on Wednesday. Coops Corner, in the same area, has recorded a whopping 340mm.
In Brisbane, Bulimba, close to the CBD, has seen 62mm, while Brisbane airport has recorded 53mm with more to come.
A flood watch is current for coastal communities south of Caboolture to the NSW border, and southern inland catchments.
“Catchments in the flood watch area have received rainfall over the last few weeks so will respond to heavy rainfall,” the bureau has warned.
Catchments likely to be affected include the Pine and Caboolture rivers, the upper and lower Brisbane River, the Logan and Albert Rivers, and Gold Coast rivers and creeks.
Inland river systems are also under flood watches or warnings.