青藏高原局地有大暴雪 中东部降水将增多 气象部门提醒，近期青藏高原雨雪天气频繁，需关注降雪对交通运输、农业、畜牧业等的影响，公众外 出请注意防寒保暖，留意交通安全。 我国大部气温回升 西北华北等地部分地区昼夜温差大 气温方面，今明天，我国大部气温回升，最高气温20℃线会北抬至华北南部，江南中东部、华南最高气 温在25℃以上，暖意回归。不过，长江以北地区昼夜温差普遍在10℃以上，西北地区到华北北部等地可 达15℃以上，局地接近20℃，南方部分地区昼夜温差也有10℃以上，公众早出晚归请适当添衣。 央视网消息：据中国天气网消息，未来三天（10月28日至30日），青藏高原部分地区雨雪频繁，局地有 暴雪或大暴雪，需注意做好相关防御措施。此外，明天，我国中东部地区降水将增多，公众雨雪天出行 请留意交通安全。气温方面，今明天，我国大部气温回升，但昼夜温差拉大，公众请适时调整着装，谨 防感冒。 昨天，我国大部雨雪稀少，降水主要出现在黑龙江、新疆等地，监测显示，内蒙古东北部、黑龙江、西 藏东部、川西高原、青海南部等地出现小雪或雨夹雪，局地中雪。 今天，黑龙江和新疆的雨雪将明显缩减，青藏高原一带雨雪发展，西藏局地有大暴雪。明后天 ...

Summary of Key Points Core Viewpoint - The recent cold air mass has led to a significant drop in temperatures in Hangzhou, marking the lowest temperatures of the year so far, with a minimum of 14.2°C and a maximum of 16.8°C recorded [2]. Weather Conditions - The cold air is characterized as "dry cold," which not only brings lower temperatures but also reduces humidity and eliminates rainy weather, leading to clearer skies in the following days [3]. - Wind conditions have been notable, with sustained strong northerly winds causing a significant wind chill effect, making the perceived temperature feel much colder than the actual temperature [2]. Temperature Fluctuations - A gradual warming trend is expected to begin on Thursday, with temperatures potentially rising to 25-26°C by the end of the month, although the increase will not be immediate [3]. - The diurnal temperature range is set to increase, with morning temperatures dropping to 13-14°C and afternoon highs reaching just above 20°C, indicating a clear "cold mornings, warm afternoons" pattern [3].