Seoul: Monday's weather forecast for South Korea's major cities indicates a range of conditions, with temperatures reaching highs of 30 to 31 degrees Celsius. According to Yonhap News Agency, Seoul, Incheon, Suwon, and Chuncheon are expected to experience sunny weather with no chance of rain. Cheongju and Daejeon will see cloudy skies with a 20% chance of rain. Jeonju and Daegu also have cloudy conditions forecasted, with a 30% possibility of rain. Gwangju and Jeju are likely to experience rain, with Jeju having the highest chance at 60%. Busan will have sunny weather, but with a significant 70% chance of rain.