It will be very hot on Saturday the 11th, with the highest temperature reaching 36 degrees. In addition, a tropical night phenomenon will occur where the minimum temperature at night remains above 25 degrees in most parts of the country. According to the Korea Meteorological Administration, the minimum temperature this morning is expected to be 21 to 26 degrees, and the maximum temperature during the day is expected to be 29 to 36 degrees. The expected minimum morning temperatures in major cities are △Seoul 25 degrees △Incheon 24 degrees △Chuncheon 23 degrees △Gangneung 26 degrees △Daejeon 23 degrees △Daegu 26 degrees △Jeonju 25 degrees △Gwangju 24 degrees △Busan 24 degrees △Jeju 25 degrees. The highest daytime temperature is △Seoul 33 degrees △Incheon 31 degrees △Chuncheon 32 degrees △Gangneung 33 degrees △Daejeon 34 degrees △Daegu 36 degrees △Jeonju 34 degrees △Gwangju 33 degrees △Busan 31 degrees △Jeju 32 degrees. Especially in the southern region, some central regions, and parts of Jeju Island. The heat wave warning that has been in effect can be expanded and strengthened starting this day. Infants and the elderly can develop heat-related illnesses, so reduce outdoor activity time, and livestock farms should be careful to control the temperature of their barns by operating blowing and spraying devices. Also, as the temperature has not dropped sufficiently overnight for the time being, the production area must be closed.