Australian Government Bureau of Meteorology South Australia Road Weather Alert for Adelaide Issued at 03:51 AM CDT on Sunday 21 December 2025 Road weather alert for slippery roads for the following areas: Adelaide Slippery roads will make driving conditions dangerous during Sunday in the Adelaide Area. The SA Police advises that people should: Slow down and take extra care. Maintain a safe distance between you and the vehicle in front. Turn on your headlights. For information on any road closures, please contact your local council or the Police. The next alert will be issued by 11:00 am CDT Sunday.