WA and Perth weather: West Aussies told to brace for severe 100km/h wind and rain as severe warning issued

West Australians are advised to prepare for severe weather, including heavy rain and damaging winds, as the Bureau of Meteorology has issued a warning for the state. A cold front is expected to bring strong showers and thunderstorms, with affected areas including Bunbury, Perth, and Mandurah, and isolated rainfall totals of 40-60 mm possible.