The heatwave caused significant discomfort for many, with Mount Gambier and Melbourne both reaching highs of 37 degrees yesterday.
Scully said “much cooler” conditions should be expected today.
“There is a lot of humidity or tropical moisture that’s being drawn down over eastern Australia and is quite persistent. We do have a rain band at the moment that’s extending from the interior into south eastern parts of the country, with embedded showers, rain areas and storms,” she said.
“That’s expected to be quite slow-moving.”
The warm weather will continue to be felt across New South Wales and Queensland today, with Sydney’s west likely to reach the mid to high 30s until mid-next week.
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Meanwhile, Perth will see a high of 34 degrees, Canberra will reach 33 degrees and Darwin 32 degrees.
Adelaide will enjoy a more moderate top of 27 degrees, Brisbane 28 degrees, and Sydney 29 degrees.
It will remain much cooler in Victoria, where a high of 22 degrees is expected, while Hobart will experience a cooler 20 degrees.