New South Wales, Australia has a declared a state of emergency because of the wildfires.
A statewide total fire ban will be in place on Friday and Saturday.
That's when authorities are anticipating conditions to be at their worst.
They ordered tourists to leave a 250-kilometre zone along the south coast this morning.
It's being described as the largest mass relocation of people out of the region.
A contingent of Canadian and American firefighters arrived in Melbourne today to help with the catastrophic conditions.