Safety
Thai Meteorological Department Issues Heavy Rain Warning for September 18-20
Authorities have issued an urgent weather alert for widespread heavy rainfall across Thailand, with the southern region facing the highest risk of flash floods.
The Thai Meteorological Department (TMD) has released its eighth official announcement regarding severe weather conditions expected across the country from September 18 to 20, 2026. According to the report published by Thai Post, the agency warns of heavy rainfall in various regions, with the southern part of Thailand expected to experience particularly intense precipitation.
For residents and travelers, this weather pattern poses a significant risk of flash floods and sudden water runoff, particularly in low-lying areas or regions near mountainous terrain. The TMD advises the public to remain vigilant and monitor local weather updates closely during this three-day window.
While the warning covers a broad geographical area, the specific intensity of rainfall may vary by province. Travelers planning outdoor activities or transit through the southern provinces should exercise caution and check local conditions before departing. At this stage, the duration of the heavy rain is projected through September 20, but the department has not yet confirmed if the alert will be extended beyond that date. It is recommended that those in affected areas follow instructions from local authorities and stay informed through official government channels.
