Heavy Rain is Hitting Sydney Australia and it will bring 30 to 40 MM of rain on Sunday June 23, 2013 then on Monday June 24, 2013 it will bring 20 to 30 MM of rain then on Tuesday June 25, 2013 another 20 to 30 MM of rain for Sydney Australia and it is going to be a lot of rain and People in Sydney Australia Be Prepared have your Rubber Boots.