Summary of Key Points Core Viewpoint - The upcoming three days (October 29 to 31) will see frequent rain and snow in parts of the Tibetan Plateau, while precipitation will increase in the central and eastern regions of China, necessitating public attention to travel safety during inclement weather [1][2][7]. Weather Conditions - Significant snowfall was reported in parts of the Tibetan Plateau, with light to moderate snow or sleet observed in regions such as eastern Tibet and northern Sichuan Plateau [2][4]. - The Central Meteorological Observatory forecasts continued widespread rain and snow in the Tibetan Plateau, with central and eastern China experiencing increased precipitation, primarily light to moderate rain [2][6]. Temperature Changes - Southern regions will experience a slight drop in temperatures due to increased rainfall, with maximum temperatures in cities like Guiyang and Changsha expected to decrease significantly [5][8]. - A cold air mass is anticipated to impact central and eastern China later this week, leading to temperature drops of 4 to 6 degrees Celsius, with some areas experiencing drops exceeding 8 degrees Celsius [5][8]. Public Advisory - Meteorological authorities have advised the public to take precautions against cold weather and to be aware of the potential impacts of snow on transportation and agriculture [7].