Out-of-control bushfires, assisted by sweltering temperatures exceeding 40 degrees Celsius (104 degrees Fahrenheit), are causing havoc across South Australia, Victoria and Western Australia.
In the latest update delivered on Wednesday, Country Fire Service incident controller Scott Turner said the biggest area of concern was in the south-west of the fire zone, where the blaze is burning in difficult-to-access terrain.
"With the weather conditions easing and abating tomorrow, that will give firefighters, for the first time, the upper hand where we will have full control of the fire," he told the ABC, adding that "The weather won't dictate to us and it certainly will allow us to strengthen all containment lines and hopefully over the next two days declare our fire controlled."