Australian Government Bureau of Meteorology Western Australia TOP PRIORITY FOR IMMEDIATE BROADCAST Heatwave Warning Issued at 01:33 PM WST on Sunday 18 October 2026 Valid for Sunday 18 October 2026 to Tuesday 20 October 2026 Warning for the following areas: North Interior 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 low to mid forties and overnight minimum temperatures in the mid to high twenties. Severe heatwave conditions are expected to ease from mid-week. The next heatwave warning will be issued by 2:00pm WST on Monday 19 October 2026