Nationwide Rain... Over 100mm Expected in Southern Gyeonggi and Western South Chungcheong

Downpours of 30-50mm per hour at times... Highs of 24-32 degrees Celsius.

Vehicles driving slowly (Yongin=Yonhap News) Reporter Hong Ki-won = Vehicles are driving slowly at the administrative town entrance intersection in Yongin, Gyeonggi Province, on the 16th, when a heavy rain advisory was issued. 2025.9.16 xanadu@yna.co.kr

Rain is expected across the country on the 17th.

The rain, which will begin in the central region (excluding the eastern coast of Gangwon Province) early in the morning, will spread to the eastern coast of Gangwon Province, Yeongnam, and Jeju by the morning.

Strong and heavy rain is particularly anticipated in southern Gyeonggi and western South Chungcheong, which will be the first to be hit by the rain clouds moving in from the west.

Expected rainfall for the day includes: Southern Gyeonggi and Chungcheong Province 30-80mm (over 100mm in southern Gyeonggi and western South Chungcheong), Chungcheongbuk-do 20-60mm, Seoul, Incheon, northern Gyeonggi, western Gangwon, Jeollabuk-do, Daegu, Gyeongsangbuk-do, Jeju 10-60mm (over 80mm in western Gangwon, northern Jeollabuk-do, and Jeju), Gwangju, Jeollanam-do 10-50mm, eastern Gangwon 10-40mm, Busan, Ulsan, Gyeongsangnam-do, Ulleungdo, Dokdo 5-40mm, and the Western Sea Islands 5-30mm.

In southern Gyeonggi and western South Chungcheong, there will be periods of intense rain, with downpours of 30-50mm per hour.

The Korea Meteorological Administration advised people to check the latest weather information and radar images, as rainfall is expected to vary significantly even within a single administrative district.

Heat is expected to continue through the day, with perceived temperatures around 33 degrees Celsius in the southern regions.

The nationwide daytime high temperatures are forecast to be between 24 and 32 degrees Celsius.

Seoul and Incheon will see daytime highs of 24 and 25 degrees Celsius respectively, Daejeon 28 degrees, Gwangju 29 degrees, and Daegu, Ulsan, and Busan 32 degrees.

Temperatures are expected to drop further after the rain ceases. On the 18th, morning low temperatures are projected to be between 17 and 23 degrees Celsius, with daytime highs between 22 and 28 degrees Celsius.

From the afternoon of the 17th, strong winds of 30-55 km/h (9-15 m/s) and high waves of 1.5-3.5 meters are expected in the outer waters of the central West Sea. From the evening, similar conditions are expected in the outer northern waters of the southern West Sea and the eastern waters of the East Sea. Caution is advised for navigation and fishing operations. Yonhap News