大城市中，石家庄、郑州、济南、武汉、合肥、长沙、南昌、杭州等地初四到初五前后的最高气温将接 近或达到25℃，较常年2月中下旬偏高12~16℃！ 本文转自【央视新闻客户端】； 马年新春大回暖正在"火热"进行中！预计到21日（初五）之前，我国大部地区以晴或多云天气为主，雨 雪分布较为分散，总体不强，且都没有明显的冷空气，多地气温将如同脱缰之野马一路飙升，暖到什么 程度？中东部多地白天将暖如四月春！ 真的不是开玩笑。中国天气网气象分析师沈雨旸介绍，本轮回暖力度很大，最高气温升幅更加明显，升 温过后大部地区最高气温将较常年同期偏高10℃以上，长江以北多地甚至能偏高15℃左右。很多地方都 能体验到常年清明甚至谷雨时节的暖。 尤其20日至21日（正月初四—初五），各地气温将陆续达到高点，都将迎来同期少见的暖！届时最高气 温20℃线将北抬到山西南部—河北中部一带，河北、山东、辽宁、吉林、河南等地部分城市的气温甚至 可能接近或打破2月最高纪录，东北多地最高气温也能达到10℃以上。 不过这样离谱的暖持续不了几日。21日（初五），正当京津冀到华南一带气温仍在"疯狂"上行时，新一 股强冷空气将率先影响内蒙古等地，并带来剧烈降温。 ...

Core Viewpoint - A significant temperature fluctuation is expected in Henan, with a major warming trend followed by a strong cold front bringing rain and snow [1][6]. Group 1: Temperature Changes - A large-scale warming is anticipated across most regions of China, with temperatures rising by 15 to 20 degrees Celsius in areas from Huanghuai to the Yangtze River [1]. - On February 21, temperatures in northern and southwestern parts of Henan may reach around 26 degrees Celsius, while other areas will range from 22 to 24 degrees Celsius [1]. - The highest temperature on February 21 will contrast sharply with the lowest temperature on February 23, which is expected to drop to 9 degrees Celsius, marking a 17-degree difference [8]. Group 2: Weather Conditions - Strong winds are expected from February 19 to 20, with gusts reaching 6 to 7 levels, increasing the risk of forest fires due to dry conditions [4]. - A cold front will begin affecting Henan on the night of February 21, bringing strong winds, temperature drops, and potential sandstorms or dust [6]. - Rain and mixed precipitation are forecasted for February 22 to 23 and again from February 25 to 26, coinciding with the peak travel period for the Spring Festival [10]. Group 3: Daily Weather Forecast - February 19: Sunny with temperatures ranging from 4 to 19 degrees Celsius [11]. - February 20: Partly cloudy with temperatures from 6 to 24 degrees Celsius [11]. - February 21: Partly cloudy with a high of 26 degrees Celsius [11]. - February 22: Cloudy with temperatures dropping to a high of 16 degrees Celsius [11]. - February 23: Overcast with light rain or mixed precipitation, temperatures between 5 and 10 degrees Celsius [11]. - February 24: Partly cloudy with temperatures from 0 to 10 degrees Celsius [11]. - February 25: Partly cloudy with temperatures from 2 to 12 degrees Celsius [11].

Core Viewpoint - A significant warming trend is occurring across most of China, expected to last until December 29, 2025, followed by a strong cold air mass that will lead to temperature fluctuations [1][3][5]. Group 1: Temperature Trends - The warming trend will see northern regions reaching high temperatures, with the 0°C line moving unusually north into central Jilin, and southern regions experiencing temperatures above 20°C [1]. - After the warming period, two cold air events are forecasted, with temperatures in northern areas dropping by 4-6°C, and some regions in Inner Mongolia and Northeast China experiencing drops of over 10°C [3]. - A strong cold air mass is expected to impact central and eastern regions from December 30, 2025, to January 3, 2026, causing temperature drops of 6-8°C, with local areas experiencing drops exceeding 10°C [5]. Group 2: Regional Impacts - The Northeast region will experience the most significant temperature fluctuations, with current temperatures being 8-10°C above the average for late December, but expected to drop by 10-20°C by January 1 [7]. - Southern regions will also see notable temperature changes, with maximum temperatures near 20°C before the cold air arrives, dropping to single digits during the New Year holiday [8]. - The cold air mass will also bring widespread rain and snow from December 30 to January 3, affecting various regions including the Northwest, North China, and parts of the South [8].