Rainfalls will sweep south China over the next three days, the National Meteorological Center said on Sunday. Showers and moderate rains will hit parts of southwest, and the areas along the middle and lower reaches of the Yangtze River from Sunday to Tuesday, while rainstorms will hit parts of Yunnan, Hunan, Jiangxi and Zhejiang provinces, Xinhua reported.The country's weather observatory also said that sleet and rain will hit areas of Xinjiang Uygur Autonomous Region, parts of northeast, and regions of the Sichuan West Plateau in southwest from Monday evening to Tuesday evening.