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 prolonged heavy rain is expected to cause significant disruptions. Highways have been cut due to the heavy rain, making travel difficult. There is a risk of flash floods in several areas. The slow-moving Tasman Sea system is bringing storms and heat, adding to the challenges. Residents are advised to stay safe during this period of heavy rain. The heavy downpours are forecasted to last for several more days. People should exercise caution while on the roads. The heavy downpours are leading to various issues across the country. Rescue teams are prepared for potential emergencies due to the heavy rain. The heavy rain is expected to ease in the coming days. Authorities recommend staying informed about the latest weather updates.