Sydney to experience another wet weekend

New South Wales is on track to receive another drenching this weekend as a second wet weather system sweeps the state. Greater Sydney, the South Coast and Illawarra are in line to see the heaviest rainfall. Some areas have seen more than 20 millimetres of rain since 9am and could experience up to 200 millimetres by the end of tomorrow. Warragamba Dam is at 99 per cent capacity, and there are fears it could spill over, leading to more flooding in the city's northwest and Hawkesbury regions. Authorities are reminding residents in at-risk areas to prepare their homes for potential flooding.