Perth tipped to hit 41 degrees Celsius as extreme heatwave forecast for parts of Western Australia  ABC NewsSt John WA urges West Aussies to look out for each other as heatwave sweeps State  The West AustralianAustralians are facing a record-breaking summer. It’ll be hotter for some more than others  SBSVideo: Warning as heatwave set to grip WA  WAtodayPerth to extend record for most 40C days in one year  Weatherzone