Overview
- The Bureau of Meteorology has active severe heatwave warnings across parts of New South Wales, Victoria, Western Australia, South Australia, Tasmania and the ACT, with advisories in place through Wednesday.
- Forecasts point to widespread 40°C-plus temperatures in WA, SA, Victoria and NSW early this week, with heat building in WA before shifting east into SA on Tuesday and into Victoria and NSW from midweek.
- Major centres are in the firing line, with Adelaide forecast to reach about 41°C on Wednesday and Melbourne expected to approach 40°C, while inland Mildura could near 45°C on Thursday.
- Weatherzone’s model ensembles indicate some locations could reach the mid‑40s and possibly about 48°C, though meteorologists caution the highest maxima remain uncertain.
- Authorities highlight elevated overnight heat and increasing fire danger later in the week, urging precautions for vulnerable people and advising hydration, shade and access to cooled spaces.