Here’s a concise update based on recent reports.
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What’s happening: After a prolonged heatwave across southeast Australia, a cold front and southerly winds are bringing a sharp temperature drop to many areas, with some places seeing double-digit decreases over 24–48 hours. This pattern is typical when polar air moves in behind a strong heat event.[1][7]
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Where the largest drops are expected: The southern coastline and nearby inland areas along Victoria, South Australia, and southern New South Wales are likely to experience the most noticeable cooling, with some towns dropping 10–18°C compared with peak daytime highs during the heatwave.[3][1]
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What to watch for: In addition to cooler temperatures, you may see gusty southerly winds, possible showers along parts of the coast, and a shift in fire weather risk as winds change. The cooler air will propagate inland from the south over the following day or two.[4][1]
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Context: This follows a period where multiple locations approached or reached record highs during the late January heat event, including several sites near 50°C. The incoming cooler air marks the end of that extreme phase for many regions.[7][1]
If you’d like, I can pull the latest local forecasts for New York City or specific southeast Australian cities (e.g., Melbourne, Adelaide, Sydney) and summarize the expected temperature changes for today and the next 48 hours. I can also provide a simple visual chart of the anticipated temperature trend.
Sources
A record-breaking heatwave is impacting south-east Australia, with temperatures expected to soar in parts of Victoria, South Australia and New South Wales. Follow our live coverage.
www.abc.net.auFor the eighth consecutive day Australia's south-east inland will bake in temperatures well above 40 degrees Celsius.
www.abc.net.auVideo current: 12:00 pm AEDT Sunday 25/01/26.
www.bom.gov.auA cold front sweeping over southeastern Australia is bringing an icy polar blast and chilly nights.
www.weatherzone.com.auHeatwave, bushfire risks, storms, and snow to impact Australia. Authorities warn of dangerous conditions as a cold front moves through.
colitco.comA record heatwave across south-east Australia will peak during the coming days, leading to extreme fire danger and temperatures close to 50 degrees Celsius in multiple states.
www.abc.net.auA heat trough which lingered over southern and southeast Australia yesterday brought unseasonable heat to South Australia, Victoria and Tasmania, with each stat...
www.weatherzone.com.au