Australian Government Bureau of Meteorology Northern Territory TOP PRIORITY FOR IMMEDIATE BROADCAST Heatwave Warning Issued at 02:31 PM CST on Saturday 17 October 2026 Valid for Saturday 17 October 2026 to Tuesday 20 October 2026 Warning for the following areas: Tiwi and Arnhem Safety Advice: Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell. Seek a place to keep cool, such as your home, a library, community centre or shopping centre. Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home. If available, use fans or air-conditioners to keep cool. Maximum temperatures in the mid to high thirties and overnight minimum temperatures in the mid twenties. Severe heatwave conditions are expected to ease by the end of next week. Locations likely to be impacted include Jabiru. The next heatwave warning will be issued by 3:00pm CST on Sunday 18 October 2026