The Beijing Observatory has issued an orange rainstorm warning, forecasting that by 10:00 AM on the 29th, the majority of Beijing will be subjected to heavy rainfall. Specifically, certain areas in Miyun, Pinggu, Huairou, and other districts may receive over 100 millimeters of rain within six hours, with isolated spots potentially receiving in excess of 250 millimeters. Mountainous and hilly regions are at an extremely high risk of flash floods, mudslides, and landslides, while low-lying areas may also experience significant ponding. Residents are strongly advised to enhance their safety precautions.