Weather Forecast - The weather in Beijing is expected to be clear today with a maximum temperature around 32°C, while tomorrow will see increased cloud cover and scattered thunderstorms in the western and northern regions [1][3] - Yesterday, the weather was predominantly sunny with high temperatures reaching 33 to 34°C, indicating a hot day [1] Meteorological Conditions - The Beijing Meteorological Station predicts a transition from sunny to cloudy weather today, with scattered thunderstorms expected in the western mountainous areas [3] - Wind conditions will vary, with a north to south wind at 2 to 3 levels today, and a maximum temperature of 32°C, dropping to a minimum of 23°C at night [3] - Tomorrow's forecast includes cloudy to overcast conditions, with scattered thunderstorms in the western and northern areas, and a maximum temperature of 31°C [3] Public Advisory - The meteorological department advises the public to carry rain gear due to the expected thunderstorms and to be cautious of lightning [3] - It is recommended to minimize outdoor activities during the midday heat and to stay hydrated to prevent heat-related issues [3]

Core Viewpoint - The upcoming weather forecast indicates significant rainfall across northern China and the impact of Typhoon "Wipha" on southern coastal regions, necessitating public awareness and preparedness for potential secondary disasters. Group 1: Rainfall Forecast - Strong rainfall is expected in northern regions from July 19 to 21, with areas like Shandong and Liaoning experiencing heavy downpours [1][2] - The Central Meteorological Observatory predicts heavy rain in various regions including Qinghai, Gansu, Ningxia, and parts of southern China, with localized areas facing severe rain [3][4] - The forecast includes a warning for potential extreme rainfall in coastal areas of Guangdong, Guangxi, and Hainan due to Typhoon "Wipha" making landfall [2][4] Group 2: Temperature Changes - As rainfall increases, high temperatures across China are expected to decrease, although regions like Jianghuai and northern Jiangnan may still experience prolonged heat [7][9] - High temperature warnings remain in effect for areas such as Xinjiang, Chongqing, and Shaanxi, with some regions exceeding 40°C [7][9] - The public is advised to take precautions against heat in areas that will not be affected by rainfall, as cities like Hefei and Nanjing may see high temperatures persist for several days [9]