A prolonged period of heavy rain is expected to affect millions across Australia. Forecasts predict up to 170mm of rain in some areas. Widespread rain has already hit Queensland, cutting highways and causing flash flood risks. The slow-moving Tasman Sea high is contributing to the unsettled weather, bringing storms and heat across the country. The extended heavy rainfall is expected to cause significant disruptions. Highways have been cut due to the heavy rain, making travel difficult. Flash flood risks are high in several areas. The slow-moving Tasman Sea system is bringing storms and heat, adding to the challenges. People are urged to take precautions during this period of heavy rain. The heavy downpours are forecasted to last for several more days. Drivers should be careful while on the roads. The heavy rain is causing significant impacts across the country. Authorities are monitoring the situation due to the heavy rain. The prolonged heavy rainfall will eventually end in the coming days. Residents should stay informed about the latest weather updates.