警惕次生灾害！明天南方暴雨强对流持续，多地或现大暴雨！

Weather Overview - A significant weather change has occurred in China, with the transition from high temperatures to strong rainfall and cooling temperatures starting from May 21 [1] - The southern regions are experiencing their strongest rainfall period, particularly in Jianghan, Jiangnan, and South China [1] Rainfall Forecast - The current round of heavy rainfall in the south is expected to last until May 24, with areas such as southwestern Anhui, northern Jiangxi, southwestern Zhejiang, and northwestern Fujian facing potential heavy downpours [2] - After May 24, the rainfall will begin to taper off, but localized heavy rain may still occur in central and southern South China [3] Temperature Changes - A significant drop in temperatures has been observed in northern regions, with areas like Shanxi experiencing a temperature decrease of 12-26°C, dropping from over 35°C to around 10°C [5] - The cooling trend will extend southward, affecting Jiangsu and Anhui, with temperatures expected to drop to around 10°C [5] - In the following days, most northern areas will see maximum temperatures below 25°C, with some regions even below 20°C, which is significantly lower than the seasonal average [5] Future Weather Outlook - By the weekend, temperatures in the north are expected to rise again as the cold air moves away, with some areas in the northwest and northeast potentially reaching new highs for the year [8] - However, the southern regions will continue to be affected by rainfall, leading to a cooler and wetter week ahead [8]