On the 23rd, when the heat of the season is said to be over, there will be occasional clouds across the country.
From the morning until night, there may be showers in Seoul, Incheon, northern Gyeonggi, inland and mountainous areas in Gangwon, and Jeju Island. The expected precipitation due to the showers is ▲ 5 to 40 mm in Seoul, Incheon, northern Gyeonggi, and the five islands of the West Sea ▲ 5 to 40 mm in inland and mountainous areas in Gangwon and Jeju Island.
As of 5 a.m. that day, the temperatures in major regions were 27.4 degrees in Seoul, 26.9 degrees in Incheon, 25.4 degrees in Suwon, 23.0 degrees in Chuncheon, 30.0 degrees in Gangneung, 26.2 degrees in Cheongju, 24.7 degrees in Daejeon, 24.4 degrees in Jeonju, 25.2 degrees in Gwangju, 26.8 degrees in Jeju, 25.7 degrees in Daegu, 27.5 degrees in Busan, 26.3 degrees in Ulsan, and 25.9 degrees in Changwon.
The highest daytime temperature is forecasted to be 31 to 36 degrees. With heat wave warnings issued for most regions, the highest perceived temperature is expected to rise around 35 degrees until the 25th, making it very hot.
The concentration of fine dust will show levels from 'good' to 'moderate' across all regions due to smooth atmospheric diffusion.
Inland, there will be areas with dense fog reducing visibility to less than 1 km, so caution should be taken for traffic safety. The sea waves will be 0.5 to 1.0 m in the East Sea, West Sea, and South Sea. The wave heights in the offshore waters (about 200 km from the coastline) are predicted to be 0.5 to 1.0 m in the West Sea and 0.5 to 1.5 m in the East Sea and South Sea.