Humid and warm conditions are affecting much of south-eastern Australia ahead of a cold front. This cold front is drawing down tropical moisture as it moves across the Great Australian Bight. Showers and thunderstorms will move from central South Australia to western Victoria on Friday. Heavy falls are possible with thunderstorms. On Saturday, there will be showers and thunderstorms in Victoria, southern New South Wales and Tasmania. Areas of Melbourne may see locally heavy falls. On Sunday, the