Nearly all components of the nation will receiving a soaking over the subsequent ten days, with Weatherzone warning "a sequence of climate programs" loom.
It comes as authorities say flooding in NSW proceed for months after intense rain within the state's south and west.
The SES has carried out no less than 13 rescues previously 24 hours throughout the state.
Fourteen flood warnings stay energetic with main flooding nonetheless occurring on the Macquarie, Namoi and Lachlan rivers.
Extra moist climate is ready to drench the state, as a trough threatens to spill thunderstorms and heavy rain over the subsequent three days.
The Bureau of Meteorology (BoM) stated this can exacerbate flood dangers.
"Flooding continues throughout many inland catchments and plenty of different catchments are saturated," it wrote.
"Showers and thunderstorms transferring by way of with a trough over the subsequent couple of days could exacerbate current flooding and presumably result in renewed riverine flooding."
As we speak afternoon thunderstorms might batter areas with heavy rain, hail and excessive winds.
Residents are urged to watch native forecasts and radars.
A powerful wind warning is in place for Byron Coast and Coffs Coast till Wednesday no less than.
Showers and a doable storm are forecast for Sydney, with falls between 3 to 4 mm doable.
Over the subsequent three days the heaviest rain is predicted to fall over Victoria and southern NSW.
As much as 50mm is forecast for stretches of the coast, with remoted falls of 100mm doable.
That's simply one of many programs to play out above Australia over the subsequent week and a half.
'Unseasonable' rainfall coming for High Finish
Weatherzone stated northwest WA's Kimberly and Pilbara districts will cop an "unseasonable drenching".
"Quite a few climate programs are anticipated to influence the nation within the subsequent 10 days or so, together with a low strain trough which might ship important unseasonable rainfall to northwest WA's Kimberly and Pilbara districts early subsequent week," it wrote, pointing to modelling of amassed rainfall.
"Broome is positioned proper the place a kind of reddish blobs sits, suggesting potential rainfall within the 50-80 mm vary.
"Broome is positioned proper the place a kind of reddish blobs sits, suggesting potential rainfall within the 50-80 mm vary.
"These two areas expertise nearly no rainfall on common right now of yr."
Darwin can even obtain an early October drenching.
Drivers discover themselves trapped in floodwaters as heavy rain hits two states