Rainfalls of up to 80 millimetres are forecast by the BOM in Brisbane and the Sunshine Coast, while 50mm could fall in Grafton, where the Clarence River is nearing major flood levels.

Thousands of Queensland residents were left without power on Sunday after Cyclone Alfred, a downgraded tropical cyclone, caused widespread damage across the state.

Ex-tropical cyclone Alfred, downgraded to a tropical low, has led to evacuations and power outages in southeastern Australia. Brisbane braces for impact with anticipated strong winds, heavy rain, and flooding.