On the 22nd, a day before the onset of autumn, a heatwave with a perceived temperature of around 35 degrees Celsius will continue in most areas nationwide.
Showers are forecasted, mainly in the southern regions. In the inland areas of Jeolla, Daegu, southern Gyeongbuk, Ulsan, and inland Gyeongnam, showers are expected to bring 5 to 40 mm of rain, while Jeju Island is anticipated to receive 5 to 20 mm of rain from afternoon to evening. In areas where rain or showers occur, there may be gusts along with thunder and lightning, so caution is required to prevent safety accidents.
The morning low temperatures are forecasted to be between 23 and 27 degrees Celsius, while the daytime high temperatures are expected to be between 30 and 37 degrees Celsius.
There will be places in urban and coastal areas experiencing tropical nights.
The concentration of fine dust will be at a level of 'good' to 'moderate' nationwide due to smooth atmospheric dispersion.
The sea waves in the East Sea, West Sea, and South Sea will reach 0.5 to 1.0 meters. For the offshore areas (about 200 km from the coastline), waves in the East Sea, West Sea, and South Sea are predicted to be 0.5 to 1.5 meters high.