Forecast models suggest that temperatures will climb into the low-to-mid forties from this weekend, before possibly exceeding 45 degrees on most days next week.
The impending heat has prompted a Severe to Extreme heatwave warning for parts of WA’s north and interior.
Meanwhile temperatures are expected to hit a top of 34C in Melbourne and a top of 35C in Adelaide today.
However the warm weather will be short-lived for Victoria as a trough will move over Victoria early next week and bring cooler temperatures, as well as showers and thunderstorms in the south.
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The coldest weather is expected to hit next Thursday with a top of 16C.
South Australia will also say goodbye the 30C weather, with the state to stay in the low-mid 20s for the week.
It comes after Victoria recorded its coldest spring for 30 years, with a mean maximum temperature the sixth-lowest since 1910.
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