北京雷电+山洪灾害预警！预计今天下午至明晨，局地暴雨伴7级大风

Summary of Key Points Core Viewpoint - Beijing has issued a yellow alert for thunderstorms, predicting significant rainfall and strong winds in most areas from the afternoon of August 15 to the morning of August 16 [1][3]. Weather Alerts - A yellow thunderstorm warning has been issued for Beijing, indicating expected thunderstorms with localized heavy rain and short-term winds of around 7 levels [3]. - The Beijing Water Authority and Meteorological Bureau have jointly issued a blue alert for mountain flood disasters, predicting a high likelihood of such disasters in the Miyun and Huairou districts starting at noon today [3]. Weather Conditions - The weather forecast for today includes cloudy conditions turning to overcast with scattered thunderstorms, with a maximum temperature of 30°C and winds from the north to south at levels 2 to 4 [3]. - Thunderstorms are expected from noon to night, with localized heavy rainfall and short-term winds of around 7 levels, with some areas potentially experiencing torrential rain [3].