Heavy Rain Across Most of the Country Amid Heat Wave in the South

by JEONG SE HEE Posted : July 22, 2026, 08:36Updated : July 22, 2026, 08:36

On Wednesday, heavy rain is expected in most regions of the country, while a heat wave continues in the south.


According to Yonhap News, strong rain accompanied by gusty winds and thunder is likely in central areas during the morning.


Expected rainfall amounts include 5 to 40 mm in Seoul, Incheon, and northern Gyeonggi Province; 20 to 60 mm in southern Gyeonggi (with some areas exceeding 80 mm); 5 to 20 mm in the five islands of the West Sea; and 20 to 60 mm in the central and southern inland and mountainous regions of Gangwon Province (with southern Gangwon expected to exceed 80 mm). Northern Gangwon's inland and mountainous areas are forecasted to receive 5 to 40 mm, while the eastern coast of Gangwon is expected to see 5 to 30 mm.


In Daejeon, Sejong, and Chungcheongnam-do and Chungcheongbuk-do, rainfall is expected to range from 20 to 80 mm (with northern Chungcheongnam-do and central and northern Chungcheongbuk-do possibly exceeding 100 mm). Western Jeollabuk-do is forecasted to receive 10 to 60 mm, while eastern Jeollabuk-do is expected to see 5 to 40 mm. Gwangju and Jeollanam-do are likely to receive 5 to 30 mm, and central and northern inland areas of Gyeongsangbuk-do are expected to see 20 to 60 mm. Daegu and Gyeongsangbuk-do (excluding central and northern inland areas) and western inland areas of Gyeongsangnam-do are forecasted to receive 5 to 40 mm, while Jeju Island is expected to see around 5 mm of rain.


The heat wave is also expected to persist. Heat advisories are in effect for the eastern coast of Gangwon, the Chungcheong region, the southern provinces, and Jeju Island, with the maximum perceived temperatures in most areas expected to exceed 31 degrees Celsius.


In particular, areas under heat advisories are expected to see maximum perceived temperatures around 33 degrees Celsius, while the southern coast of Gangwon, parts of Jeolla, Gyeongsang, and Jeju Island are forecasted to reach around 35 degrees Celsius.


In the southern provinces and Jeju Island, tropical night warnings have been issued, indicating nighttime temperatures will remain above 25 degrees Celsius.





* This article has been translated by AI.