Thai Meteorological Department Issues Seven-Day Rain Warning Through October 25

Key summary

On October 19, 2026, at 5am Thai time, the Thai Meteorological Department (TMD) released announcement number 264/2569 forecasting heavy to very heavy rain across parts of Thailand until October 25. Initial rainfall is expected in the South and East on October 19–20, driven by a monsoon trough over the lower South and southwest monsoon over the lower Andaman Sea. From October 21–25, increased precipitation will affect the lower Northeast, Central region (including Bangkok), East, and upper South, with some areas facing strong gusts. The TMD warns of risks including flash floods, forest run-off, landslides on foothill slopes near waterways, and flooding in low-lying areas. Waves in the Andaman Sea and Gulf of Thailand may exceed three metres during thunderstorms, prompting caution for boat operators. Residents are advised to monitor conditions via the TMD website or by calling 02-399-4012, 02-399-4013, or 1182, while travellers should avoid repeatedly flooded routes. The next forecast update is scheduled for 5pm Thai time on October 19.