Rain is falling nationwide on the 13th. Rain is forecast throughout this week.
According to the Korea meteorological Administration, rain will fall in the central region and North Gyeongsang on this day, in North Jeolla from the morning, and in South Jeolla and South Gyeongsang from the afternoon. From the morning of the 14th, Jeju Island will see occasional rain, and in most areas the rain will stop in the afternoon. In Yeongdong, Gangwon, parts of the southern region, and Jeju Island, some places will see rain continue until the night of the 14th.
The rainfall will not be light. The expected rainfall for the 13th–14th is 10–50 mm in northern Seoul, Incheon, and Gyeonggi; 20–70 mm in southern Gyeonggi, Daejeon, Sejong, South Chungcheong, and North Jeolla; and 10–50 mm in Gwangju and South Jeolla. Daegu and North Gyeongsang, Busan, Ulsan, and South Gyeongsang, and Ulleung Island and Dokdo will see 20–60 mm of rain, and some places on the northern East Sea coast of North Gyeongsang and the northeastern highlands will see heavy rain of more than 80 mm. Yeongdong, Gangwon will receive 50–100 mm of rain, with some places seeing more than 120 mm. For Jeju Island, 5–40 mm of rain is forecast over the course of the 14th.
This year the summer monsoon was short, but in the fall, rain has been coming frequently as if it were the monsoon season. On the 15th–16th, the rain that had continued in Yeongdong, Gangwon, the East Sea coast of North Gyeongsang, the northeastern highlands of North Gyeongsang, and Jeju will gradually expand nationwide. Rain is forecast for the Seoul metropolitan area, South Chungcheong, and Honam on the 17th, and nationwide on the 18th.
With most of the country under cloudy skies, morning temperatures will be higher than average for the time being, and daytime temperatures will be similar to or slightly above average.
On the 18th–19th, a cold air mass will flow in from the north, lowering temperatures. With strong winds, the wind chill will be even lower. On the 20th–21st, centered on the inland central region, morning lows will be around 5 degrees and daytime highs around 15 degrees.