The SES has issued and emergency warning directing people in the Lismore CBD, East Lismore and South Lismore to evacuate before 9pm tonight.

Moderate flooding is already under way at Lismore in the NSW Northern Rivers, as the Wilsons River draws closer to breaking the town's levee.

The flood-ravaged city of Lismore is facing disaster again amid fears the Wilson River’s banks could burst in a matter of hours.

The levee protecting the Lismore CBD has a maximum height of about 10.7 metres. Officials are keeping an eye on levees across the region, including Kyogle and Murwumbillah. They will provide ...