Queensland is set for another scorcher on Saturday, with temperatures set to nudge 40 degrees Celsius near Brisbane.
The Bureau of Meteorology (BoM) forecasts that at Gatton, in the southeast of the state, the mercury will hit 40 degrees while south of Brisbane, at Beaudesert, it should reach 39 degrees.
While extreme heat is predicted in some regions, other parts of the state, including the Central Highlands and Coalfields, are likely to be battered by severe thunderstorms.
"Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours," BoM said Saturday morning.
"Locations which may be affected include Barcaldine, Tambo, Blackall, Alpha, Jericho, Augathella, Aramac, Natal Downs, Elgin Downs and Aberfoyle."
Meanwhile, residents in Sydney sweltered through an uncomfortably hot night, with the temperature recorded at 30 degrees at 2am in the inner city.
"It would definitely be up there with the hottest nights on record," Weatherzone meteorologist Graeme Brittain told Fairfax Media.
He described the overnight peak as "quite exceptional," adding that the city temperature remained at 28 degrees at 7am.
Friday was blisteringly hot in Sydney, especially in the west of the city where temperatures surged beyond 40 degrees.
BoM predicts another hot day on the way for Sydney, forecasting maximum temperature of 32 degrees in the CBD and 39 degrees in Penrith.
Perth is also facing a hot day, with BoM forecasting a maximum of 37 degrees, while Canberra and Darwin are also looking at maximums in the 30s.
Cooler temperatures in the 20s are on the way for Melbourne, Adelaide and Hobart.
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