UPDATE: THE body of a man has been found in floodwaters south of Brisbane.He is the third person killed in Queensland's flood crisis.
Police said his body was found in Oxley Creek about 7am.
He is believed to be a motorcyclist who was swept off the road at Greenbank at Logan on Sunday night.
Witnesses told police the man was riding across a bridge on the Greenbank-Goodna Rd about 11pm when he and his motorcycle were swept away by floodwaters.
It's believed members of the public attempted to get a rope to the man, but were unsuccessful and he was washed downstream.
The other two flood deaths were an 81-year-old man who was pulled from the water near Bundaberg and a 27-year-old man near Gympie.