Melbourne is heading for a record if temperatures reach 41C for the fourth consecutive day.
There should finally be some relief from the heat tonight but not before another uncomfortable day.
Temperatures will soar into the mid 40s again, breaking records in Melbourne.
An Aussie summer is supposed to be hot but not this hot.
Melbourne is heading for a record today.
Never before has it recorded four 40-degree days in a row.
We need to respect the heat, alright.
This is a serious event, it's not normal.
In Adelaide, they're facing a fifth day in the 40s.
Yesterday it was the hottest place in the world at 44 degrees.
Emergency services right across the south-east are stretched to the limit.
Since Tuesday, we've had anything between 100-150 additional incidents per day.
The extreme conditions are believed to have claimed the life of Melbourne gardener Martin Troy.
He suffered a suspected heart attack under a tree he'd planted some 25 years before at the Ivanhoe Girls Grammar.
He loved being part of this school community.
It was very hard to get him to go home.
It's not just people struggling.
Melbourne's transport system went into meltdown.
train services cancelled, leaving thousands stranded.
Oh, it's disgusting, totally disgusting.
Look at this - chaotic! It's likely to be worse today.
Organisers of the Australian Open will also be under new pressure.
Yesterday, the tournament's heat policy was activated for the first time since 2009.
Instead of relief, night fall brought only lightning.
That promised cool change is still at least a day away.