The metropolitan area and Gangwon Province, including the central region, are expected to be cloudy with rain on the 25th, and 20~60mm of precipitation is expected in northern Gyeonggi Province and the western coastal regions. It is predicted that the sweltering heat and tropical nights will continue nationwide, so health management should be taken care of. The daytime temperature is expected to be 29~37 degrees Celsius, and the fine dust concentration is expected to remain at the 'good'∼'normal' level in all areas. Sea waves are expected to remain constant at 0.5~1.0m in front of the East Sea, West Sea, and South Sea.