Australia Issues Heatwave Alerts as Nation Celebrates Australia Day

Australia is facing dangerous heatwave conditions as millions mark Australia Day, with authorities issuing widespread warnings across nearly every state and territory. The Bureau of Meteorology (BoM) said temperatures could reach the high 40s°C on Tuesday in southern regions including Victoria and South Australia, after South Australia recorded 48.5°C on Sunday. Officials have also warned of high fire danger in several regions as the extreme heat intensifies.

The soaring temperatures have forced the cancellation of multiple Australia Day celebrations. In Adelaide, organisers called off the annual parade and nighttime light show, citing community safety. “This is deeply disappointing for the community, performers and partners, but safety must come first,” they said. Several other local councils across Australia have also modified or cancelled outdoor events to protect attendees from heat-related risks.

Australia Day, observed on 26 January, commemorates the arrival of Britain’s First Fleet in 1788, marking the beginning of European colonisation. For many Indigenous Australians, however, the date is a painful reminder of dispossession, often referred to instead as “Invasion Day.” Across several cities on Monday, crowds gathered for rallies supporting Indigenous rights, with demonstrators holding signs and calling for recognition and justice.

Heatwave alerts extend beyond Victoria and South Australia into New South Wales, Queensland, Tasmania, the Northern Territory and the Australian Capital Territory, with many warnings expected to remain in effect until mid-week. Tim Wiebusch, Victoria’s emergency management commissioner, described the conditions as the most severe the state has seen in nearly twenty years, comparable only to those preceding the catastrophic 2009 bushfires. He urged residents to take the heat threat “very seriously.”

Firefighters in Victoria are already battling several blazes, prompting emergency evacuations and threatening homes. The combination of hot, dry weather and gusty winds has created conditions labeled by the BoM as “extreme fire danger” across parts of South Australia and south-western Victoria. Authorities have advised residents to remain alert and be prepared to leave if conditions worsen.

The extreme heat has also disrupted the Australian Open in Melbourne, where rising temperatures forced temporary suspension of play. Italian tennis player Jannik Sinner was seen struggling with cramps on court, while nearly 80,000 spectators were urged to stay hydrated, seek shade and take precautions against heatstroke.

Meanwhile, on the opposite side of the country, Tropical Cyclone Luana battered parts of Western Australia over the weekend, damaging homes and a coastal resort before weakening inland. The contrasting weather extremes highlight the country’s ongoing climate challenges during the summer season.

Authorities have encouraged Australians to seek out cool spaces such as shopping centres, libraries and community halls, and to keep indoor environments safe by closing windows and drawing curtains to block out the heat.