China Weather Network News Today and tomorrow (May 18th to 19th), large-scale rainfall in my country will gradually shrink eastward and southward, with heavy rainfall in Huanghuai, Jianghuai, Jiangnan and other places; 后天开始，强降雨将集中在长江中下游地区。 At the same time, the temperature in the north will fluctuate frequently in the next five days, and many places in the south will experience cooling, so clothing needs to be adjusted in time.