Large-scale high temperatures gradually weaken, and a new round of heavy rainfall process will arrive in the north starting tomorrow night.

Today, there will be thunderstorms in northeastern China, and scattered precipitation in areas such as the Jiangnan and South China. Starting tomorrow, rainfall in the northern regions will increase, especially from tomorrow night to the 22nd, when there will be a strong rainfall event from the eastern part of northwest China to the north and northeast. Under the influence of cold air and rainfall, high temperatures over a large area will gradually decrease. Today and tomorrow, the areas with temperatures above 40C will shrink, mainly concentrated in the Sichuan Basin region.