The Bureau of Meteorology for Queensland and New South Wales have both issued severe storm warnings with heavy downpours of rain on the way.
Over the next few days, parts of Queensland can expect minor to moderate flooding and damaging winds.
Areas affected include Bohle River, Dawson River, Mary River, Warrill Creek, Logan and Albert Rivers, Charleys Creek, and Gulf Country.
Yesterday, Brisbane experienced its wettest February day in 46 years with a downpour of 136mm of rain.
As for NSW, heavy rainfall and thunderstorms, which may lead to flash flooding, are expected in the next few hours throughout Port Macquarie, Taree, Orange, Bathurst, Walgett and Dubbo. (Article continues below)
A warning had previously been issued for Illawarra, South Coast, South West Slopes and Australian Capital Territory districts, however, this has now been cancelled.
The State Emergency Service advises that people should:
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.
Stay up to date with all weather warnings here.