With mostly clear skies nationwide, Saturday the 30th will bring early-summer heat with daytime highs topping 30 degrees. In some areas, the apparent temperature is expected to climb to around 31 degrees, so people should take care of their health.

On the 29th, which brings early-summer weather, a citizen shields the sun with a fan while walking near Seoul City Hall. /Courtesy of News1

According to the Korea Meteorological Administration on the 29th, the 30th will be mostly clear nationwide under the influence of a high-pressure system moving east over the Yellow Sea. For the time being, temperatures are expected to remain higher than or similar to the seasonal norms (lows 11–16 degrees, highs 22–27 degrees).

Morning lows are forecast at 12–20 degrees, with afternoon highs at 26–32 degrees.

Morning lows in major areas will be Seoul 16 degrees, Incheon 16, Suwon 14, Chuncheon 14, Gangneung 19, Cheongju 15, Daejeon 14, Jeonju 15, Gwangju 14, Daegu 15, Busan 17, and Jeju 17.

Daytime highs are expected to be Seoul 28 degrees, Incheon 26, Suwon 27, Chuncheon 29, Gangneung 31, Cheongju 30, Daejeon 29, Jeonju 28, Gwangju 29, Daegu 32, Busan 29, and Jeju 26.

In particular, the Gyeongsang region, the east coast of Gangwon, and coastal areas of South Jeolla will feel somewhat hot as maximum apparent temperatures rise to around 31 degrees. The Korea Meteorological Administration advised older adults, children, and other groups vulnerable to heat-related illness to drink plenty of water and avoid prolonged outdoor activity.

Ultraviolet radiation will also be strong. From 9 a.m. to 3 p.m., most parts of the country are expected to see a UV index at a "very high" level.

There will be areas of fog, mainly in western regions. Incheon and Gyeonggi, Chungcheong, and Jeolla are expected to see fog with visibility under 1 kilometer from early morning through the morning. In some areas, dense fog may make it difficult to secure visibility, so caution is needed for traffic safety.

In the mountainous areas and along the east coast of Gangwon, some places may see strong winds through the morning of the 31st, with instantaneous speeds around 55 kilometers per hour (around 70 kilometers per hour in the mountains). Take care with facility management and safety.

Fine dust concentrations are expected to range from "good" to "moderate" nationwide.

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