On Wednesday the 8th, rain is expected in most areas nationwide, with heavy rain focused on the central region and North Jeolla. In most areas, daytime highs will rise above 30 degrees, making it hot.
The Korea Meteorological Administration said, "From early tomorrow morning to the night of the day after tomorrow, rain is expected in most areas nationwide." The two-day expected rainfall is ▲ Seoul, Incheon, Gyeonggi, and the five West Sea islands 50–100 mm (150 mm or more in places) ▲ inland and mountainous areas of Gangwon 50–100 mm (150 mm or more in inland central and southern Gangwon in places) ▲ east coast of Gangwon 5–50 mm ▲ Daejeon, Sejong, and South Chungcheong 80–150 mm (200 mm or more in places) ▲ North Chungcheong 50–100 mm (150 mm or more in places).
Also, ▲ North Jeolla 80–150 mm (200 mm or more in places) ▲ northwestern South Jeolla 30–80 mm (100 mm or more in places) ▲ Gwangju and South Jeolla (excluding the northwest) 10–40 mm ▲ central and northern North Gyeongsang 30–80 mm (120 mm or more in places) ▲ Daegu and southern North Gyeongsang 20–60 mm ▲ western inland South Gyeongsang 5–40 mm ▲ Jeju Island (on the 8th) around 5 mm.
In the central region, North Jeolla, northwestern South Jeolla, and central and northern North Gyeongsang, heavy rain may trigger heavy rain advisories and warnings. In areas with rain, heavy downpours accompanied by gusts and lightning are possible, raising concern for damage, so caution is advised to prevent safety accidents.
Heat advisories and warnings have been issued for southeastern Gyeonggi, southern Gangwon, Daejeon, central and southern North Chungcheong, northwestern North Jeolla, southeastern South Jeolla, the Gyeongsang region, and parts of Jeju Island. Centered on inland areas nationwide, daytime highs will rise above 30 degrees, and the maximum heat index will be around 31 degrees (33 degrees or higher in areas under heat alerts), making it hot.
There is also a chance of tropical nights, with temperatures staying at 25 degrees or higher from 6 p.m. to 9 a.m. the next day. Skies will be mostly cloudy nationwide under the influence of a stationary front oscillating north and south over the central region. From the afternoon, the Gyeongsang region will see intervals of many clouds.
Morning lows will range from 21 to 25 degrees and daytime highs from 26 to 33 degrees, similar to or slightly above the seasonal averages (lows 19–22 degrees, highs 25–30 degrees). Morning lows in major areas: ▲ Seoul 25 degrees ▲ Incheon 24 degrees ▲ Suwon 24 degrees ▲ Chuncheon 23 degrees ▲ Gangneung 25 degrees ▲ Daejeon 23 degrees ▲ Cheongju 25 degrees ▲ Gwangju 24 degrees ▲ Jeonju 24 degrees ▲ Busan 23 degrees ▲ Ulsan 23 degrees ▲ Daegu 23 degrees ▲ Jeju 25 degrees. Daytime highs: ▲ Seoul 27 degrees ▲ Incheon 26 degrees ▲ Suwon 28 degrees ▲ Chuncheon 27 degrees ▲ Gangneung 32 degrees ▲ Daejeon 30 degrees ▲ Cheongju 31 degrees ▲ Gwangju 30 degrees ▲ Jeonju 30 degrees ▲ Busan 28 degrees ▲ Ulsan 31 degrees ▲ Daegu 32 degrees ▲ Jeju 32 degrees.
Fine dust levels are expected to be at a "good" level in all regions due to smooth atmospheric dispersion and precipitation.