[Timeline]: On May 25, 2026, the Meteorological Department issued a 24-hour forecast for Thailand. [Statement]: The Meteorological Department announced that rainfall in Thailand is expected to decrease from May 25-27. [Warning]: The Meteorological Department warned that rain is expected to decrease from May 25-27. [Context]: The prevailing weather condition is due to moderate southwest monsoon winds covering the Andaman Sea, Thailand, and the Gulf of Thailand. [Stat]: Bangkok has a 40% chance of rain today, occurring in the afternoon to evening. [Warning]: Residents are advised to be cautious of heavy rainfall and accumulated water. [Timeline]: From May 28-31, rainfall is expected to increase in the North, Northeast, and Central regions. [Reason]: The increase in rainfall from May 28-31 is due to the monsoon trough moving across the North, upper Central, and Northeast regions, combined with strengthening southwest monsoon winds.