中央气象台8月15日06时发布暴雨蓝色预警[1]。浙江、福建、广东等地出现大到暴雨，其中浙江湖州和嘉兴、江苏苏州、广东广州局地特大暴雨，降雨量达250～426.7毫米[1]。江苏苏州、浙江湖州和嘉兴等地最大小时降雨量达到100～153毫米[1]。
预计未来三天，浙江、福建、广东等地仍有强降雨[1]。其中8月15日08时至16日08时，浙江东部等地部分地区有大暴雨，降雨量100～200毫米[1]。华北、内蒙古中东部、东北地区多降雨，局地伴有短时强降雨、雷暴大风等强对流天气[1]。
The China Meteorological Administration issued a weather forecast and a blue-level rainstorm warning at 06:00 on August 15, alerting to severe weather across multiple regions.[1]
Parts of Zhejiang, Fujian, and Guangdong experienced heavy to torrential rainfall, with some areas recording extreme downpours of 250–426.7 millimeters, particularly in Huzhou and Jiaxing in Zhejiang, Suzhou in Jiangsu, and Guangzhou in Guangdong.[1] Maximum hourly precipitation rates in Suzhou, Huzhou, and Jiaxing reached 100–153 millimeters.[1]
Over the next three days, these southern regions are expected to remain affected by heavy rainfall, with forecasts indicating 100–200 millimeters of precipitation in parts of eastern Zhejiang and neighboring areas between 08:00 on August 15 and 08:00 on August 16.[1] Meanwhile, North China, the central and eastern parts of Inner Mongolia, and the northeast are anticipated to experience widespread rainfall accompanied by localized convective weather events including short-duration intense precipitation and thunderstorms with strong winds.[1]