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Cold wave advisories are in effect across most of Korea as of Wednesday, October 27, 2026, with morning lows dipping below zero in inland areas due to chilly air from the northwest, according to the Korea Times. The Korea Meteorological Administration said the nation is set to see its coldest morning so far this fall on Wednesday, with the advisory in place for most parts of the country, as reported by KBS World. Earlier, on October 21, the Korea Times noted that Thursday morning temperatures were forecast to drop about 10 degrees Celsius from Wednesday, with parts of northeastern Gyeonggi Province and inland and mountainous Gangwon Province dipping below freezing. Korean news outlets are reporting the cold snap as a significant weather event, with advisories covering most regions.