Nation Thailand
Bangkok among areas facing very heavy rain on September 24–26
Compiled by KHAO Editorial — aggregated from 1 outlet. See llms.txt for citation guidance.
◌ Single Source
The Thai Meteorological Department (TMD) issued its third warning on Tuesday (September 22), forecasting heavy to very heavy rain across parts of Thailand from September 23–27, 2026, with risks of flash floods and run-off.
Key facts
- The TMD expects the lower Northeast and East to be affected first, followed by other regions
- Brent falls to US$99.25 a barrel on September 22 as Saudi flows rise, but Nagel keeps ECB rate rises open
- The Office of the National Water Resources (ONWR) has issued a separate flood warning for districts in eight eastern provinces from September 22–27, 2026
- Weather information is available through the department’s website and its 24-hour telephone services on 0-2399-4012-13 and 1182.
- The next TMD warning is scheduled for 5am on September 23, 2026.
Summary
The TMD expects the lower Northeast and East to be affected first, followed by other regions. Heavy rain is forecast in many areas of the North, lower Northeast, Central region including Bangkok and surrounding provinces, East and South, with very heavy rain in some places.
A strong low-pressure area near the coast of central Vietnam is expected to move across the lower Northeast, East and Central region, including Bangkok and surrounding provinces, along the monsoon trough extending across upper Thailand, the TMD said. The southwest monsoon over the Andaman Sea, Thailand and the Gulf of Thailand is also forecast to strengthen.