“雨水”撞档大年初二！春意拉满将冲25℃，返程有雨要注意

Group 1 - The arrival of the Rain Water solar term signifies a transition from snowfall to increased rainfall, symbolizing growth and vitality in the spring season [2] - The weather forecast indicates that from February 18 to February 21, Changsha will experience mainly cloudy weather with some light rain, and temperatures will gradually rise [5] - The peak temperature on February 21 is expected to reach 25°C, making it a suitable time for outdoor activities and family gatherings [5] Group 2 - The weather during the Rain Water solar term is characterized by significant temperature fluctuations, with early mornings still experiencing low temperatures [5] - After the holiday period, rain is expected to return on February 22, with temperatures ranging from 13°C to 25°C [5] - Citizens are advised to prepare for the changing weather conditions, including carrying rain gear and monitoring weather updates for safe travel [5]