Korea Meteorological Administration's latest short-term forecast, updated early on April 29, pins Seoul's morning low at 9°C, driving the market's 99.3% implied probability on this outcome amid high-confidence model consensus from ECMWF and GFS ensembles. Clear skies overnight and light winds have enabled radiative cooling to this level, aligning with typical late-April diurnal patterns in the Seoul basin where urban heat islands moderate extremes but morning minima often dip to single digits Celsius. Historical data shows April 29 averages around 8–10°C lows, reinforcing trader sentiment. Realistic challenges include unexpected high cloud cover trapping heat or a minor cold air surge, potentially nudging the official KMA station reading to 8°C; final observations expected by evening.