冬日氛围感拉满，上海迎2026年第一场雪！降温还在继续，冷冷冷冷还没完……

Core Viewpoint - The article discusses the arrival of cold weather and snow in Shanghai, marking the beginning of 2026 with a winter atmosphere, while highlighting the impact of cold air on temperatures across various regions in China [13]. Weather Conditions - Cold air has moved south, bringing snow to several southern cities including Hefei and Nanjing, with Shanghai experiencing rain mixed with snow [2]. - Multiple weather warnings for cold waves, strong winds, low temperatures, frost, and icy roads are currently in effect in suburban areas [3]. Temperature Forecast - Nighttime temperatures are expected to drop to around 0°C in urban areas and between -5°C to -3°C in suburban areas, indicating potential freezing conditions [6]. - The coldest day is anticipated with daytime highs around 5°C, and wind speeds reaching up to 6-7 levels [7]. - The following days will see temperatures in central and eastern China continuing to hit new lows, with maximum temperatures in Jiangnan expected to remain below 10°C and in South China around 15°C [10]. Future Weather Trends - The weather will remain predominantly cloudy with a chance of light precipitation, and nighttime temperatures will stabilize around 1°C, while daytime highs may reach 11°C [9]. - The first half of January is expected to see active cold air movements, with temperatures in northern regions fluctuating but remaining generally higher than the historical average, while southern and eastern regions will experience lower temperatures [12].