A heat wave warning has been issued for most parts of the country. Rain is expected in Gangwon's East Sea coast, Gyeongsang Province, and Jeju Island, while other regions will be mostly cloudy or sunny. Daytime temperatures are expected to range from 27 to 34 degrees Celsius, with tropical nights likely to continue. Fine dust levels are expected to remain at "good" levels. Strong winds are occurring in coastal areas, so caution is advised against rough waves.