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Australia weather: Heatwaves, 40 degree days ahead as Summer begins

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Australians have been given a warm welcome to summer, with temperatures rising across the country.

Temperatures are forecast to exceed 40 degrees across parts of the country after some regions’ coldest spring in 30 years.

Sky News Weather says the mercury’s surge is partly due to the neutralisation of the Indian Ocean Dipole which has been sitting in negative for “many weeks”.

“With that system breaking down, the sea surface temperatures are cooler than average and that has suppressed the rain,” the channel said.

“That heat is starting to push further south and it was therefore very hot in the southeast over the weekend.”

Parts of northwest Australia sweltered through the weekend, at times alternating between the high 30s and low 40s in Western Australia.

After a cold and wet season in Victoria, Melbourne’s maximum temperature peaked at 34 degrees on the weekend before falling by more than 15 degrees on Monday.

The varying change in temperatures comes after parts of Victoria and NSW grappled with devastating floods over the past month.

South Australian communities are now preparing for their own flood emergency after the Murray River at Renmark reached the 1974 flood level on Saturday morning.

In Western Australia’s Pilbara region, towns such as Marble Bar could reach up to 45 degrees from Monday to Wednesday.

Winds will transport hot air from the northwest down to the southeast ahead of troughs and cold fronts sweeping across the country, a Weatherzone spokesman said.

“An additional cold front later in the week will keep temperatures on the cool-to-mild side over southeast Australia, however eastern Australia will see temperatures rise before they fall,” the spokesman said.

Brisbane is forecast to endure 35 degree days from Tuesday, before it cools off into the mid-20s on Friday and Saturday as forecast showers roll in.

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