Swathes of Australia have sizzled through an extreme heatwave with the worst of the hot weather yet to come with temperatures set to soar again on Monday.
Sweltering temperatures in South Australia soared into 40s on Sunday as a large out of control bushfire threatened townships on Adelaide's outskirts.
While South Australians will enjoy a slight reprieve on Monday, much of Australia's east coast will be blasted with more searing heat.
Temperatures in Melbourne, Hobart, Canberra and Sydney will soar into the mid to high 30s while many regional areas will record 40-plus temperatures.
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Melburnians flocked to St Kilda on Sunday as the mercury reached 34C. Monday will be even hotter where the mercury will edge closer to 40C
An Echunga resident in the Adelaide Hills took this photo of the out of the control bushfire that threatened homes and lives on Sunday
Authorities issued an emergency warning for a large bushfire that threatened lives and homes in the Adelaide Hills on Sunday.
A emergency warning was issued for Cherry Gardens in the Adelaide Hills, where residents were urged to evacuate on Sunday night.
'You are now in danger. Take shelter in a solid building. Do not leave or enter this area in a vehicle or on foot. It is too late to leave as the roads will not be safe, a police alert read.
'Conditions are dangerous and firefighters are now unable to prevent the fire spreading. Shelter before the fire arrives as heat can kill you well before the flames reach you.'
A series of watch and act alerts also remain in place for surrounding areas from Stirling and Bridgewater in the north, to Hahndorf and the edge of Mount Barker in the east, Kangarilla to the south and Clarendon in the west.
This horror map shows just how hot NSW and Victoria will get on MondayInsurance Loans Mortgage Attorney Credit Lawyer
A man has been arrested over the Cherry Gardens bushfire as it continues to burn out of control.
Police alleged a vehicle was spotted speeding away from a fire that had recently started just after 6pm on Sunday.
'Detectives are investigating if there are any possible links between this fire and others in the area,' a police statement read.
The Cherry Gardens was downgraded to watch and act late Sunday night as 300 firefighters battled the blaze in humid conditions and difficult terrain.
Currently the fire is travelling in a North Easterly direction but an early morning wind change will see the fire direction change and again head south westerly,' the latest Country Fire Service alert states.
'Aviation resources will be working over these fires tomorrow morning supporting crews on the ground and gathering aerial intelligence.'
Melburnians flocked to St Kilda on Sunday to escape the heat
Fire authorities in Victoria and New South Wales are on high alert, where temperatures are set to soar across Australia's south-east on Monday.
The NSW Rural Fire Service has issued total fire bans for the northern, southern and eastern Riverina districts in the state
'Very hot, dry and windy conditions are forecast. If your are camping in these areas it's important to ensure that your camp fire is extinguished before midnight,' the RFS tweeted.
Victoria authorities have issued a total fire ban across the state with a severe fire danger in place for Mallee, Wimmera, Northern Country, North East and North Central.
'The next 24 hours we'll see the most significant fire risk posed to this state so far this season,' Country Fire Authority chief officer Jason Heffernan said
'Heatwave conditions will continue to build overnight and will peak tomorrow.'
Sydney's beaches were packed to capacity as the mercury peaked at 34C on Sunday and reached 40C in the city's west.
It was the third consecutive day temperatures reached the mid-30s along the coast in the