© ABC News© NSW Rural Fire ServiceAccording to the Bureau of Meteorology (BOM), Oakey, located on the Darling Downs about two hours west of Brisbane, recorded the lowest temperature in the state in the 24 hours to 9 a.m. Thursday, a bone-chilling. With cold air entrenched, snowmaking conditions have also been optimal and Mt Buller, Falls Creek, Thredbo, and Perisher have announced to be opening more lifts and terrain from tomorrow and Saturday.Meteorologists expect the cold pattern to linger through the weekend before a gradual warming trend sets in. But even that, forecasters say, won't bring immediate relief. Meanwhile, more snowfall is forecast for the Snowy Mountains from Sunday, June 15.For American readers unfamiliar with Australia's winter, it's worth noting that. This week's historic chill has not only stunned locals—it's challenged long-held perceptions about what winter means in Australia's Sunshine State.