Tomorrow Brings Both Heatwave and Heavy Rain... Feels Like Around 35 Degrees with Showers

On the 26th, an extreme weather phenomenon combining heatwaves and heavy rain is expected to occur.

On the 2nd, when the monsoon rain began in earnest nationwide including Seoul, office workers heading to work in Yeouido, Yeongdeungpo-gu, Seoul, were walking with umbrellas. Photo by Jo Yongjun jun21@

According to the Korea Meteorological Administration on the 25th, the minimum temperature the next morning is forecasted to be between 24 and 27 degrees Celsius, and the maximum daytime temperature is expected to range from 29 to 34 degrees Celsius. The expected minimum and maximum temperatures in major cities are Seoul at 27°C and 34°C, Incheon at 27°C and 32°C, Daejeon at 26°C and 33°C, Gwangju at 26°C and 30°C, Daegu at 26°C and 33°C, Ulsan at 25°C and 33°C, and Busan at 26°C and 32°C.

Heatwave warnings have been issued nationwide except for some areas such as the Gangwon mountain region and Jeju mountain region. Heatwave alerts have been issued in 106 locations, and heatwave advisories in 70 locations. Seoul has also received its first heatwave advisory of the summer. Most areas are expected to experience tropical nights during the night.

Heavy rain is also expected. From the night of the 25th, most regions will experience rain, and on the 26th and 27th, showers are expected in the central region, Jeonbuk, and Gyeongbuk. The rainfall from showers on the 26th and 27th is expected to be between 5 and 60 mm. However, in areas with heavy showers, rainfall could increase to over 80 mm. Additionally, there is a possibility of downpours of 30 to 50 mm per hour accompanied by gusts, thunder, and lightning.

In Jeju, except for the northern region, 80 to 150 mm of rain is expected until the 27th, while the northern part will receive 30 to 80 mm of rain. In the Jeonnam and Gyeongnam regions, 30 to 80 mm of rain is expected on the 26th and 27th, with the southern coast of Jeonnam and areas near Jirisan receiving up to 150 mm or more, and the southern coast of Gyeongnam and areas near Jirisan receiving up to 120 mm or more. Northern Gyeonggi and the inland and mountain areas of northern Gangwon may also experience occasional rain from the night of the 26th to the morning of the 27th, with rainfall amounts around 20 to 60 mm.

The reason for the simultaneous occurrence of heatwaves and heavy rain is that the Tibetan High and the North Pacific High overlap over the Korean Peninsula, preventing heat from escaping, while hot and humid air is brought in by southerly winds blowing along the edge of the North Pacific High.

This content was produced with the assistance of AI translation services.