Thailand Meteorological Department Issues Heavy Rain Warning for October 18-25

Key summary

On October 18, 2026, at 05:00, Mr. Nutwut Daendee, Deputy Director-General of the Meteorological Department acting as Director-General, issued the third weather alert (No. 262/2569) regarding heavy to very heavy rainfall expected across Thailand from October 18 to 25, 2026. The forecast indicates continuous rain and localized heavy rainfall in the South and East regions during October 18-20, followed by increased rainfall and strong winds in Northeastern lower areas, Central region (including Bangkok and surrounding areas), East, and Upper South from October 21-25. The alert warns of flash floods, rapid mountain torrents, and landslides, particularly in hilly slopes near waterways and low-lying areas. Wave heights exceeding 3 meters are expected in the Andaman Sea and Gulf of Thailand during thunderstorms. The department will issue a subsequent update on October 18 at 17:00.