Nation Thailand
TMD flags very heavy rain in Northeast and flash-flood risk
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The Thai Meteorological Department (TMD) has warned of heavy rain across parts of upper Thailand through September 7, with very heavy downpours in the eastern Northeast raising the risk of flash floods and rapid run-off.
Key facts
- Advisory No 8, issued at 5pm on Saturday (September 5, 2026), covers September 5–7.
- The following forecast is valid from 6pm on September 5 to 6pm on September 6, 2026.
- The latest advisory follows the department’s earlier warning of heavy rain and flash-flood risks through September 7 .
- PM Anutin meets 76 representatives to advance economic diplomacy
Summary
Advisory No 8, issued at 5pm on Saturday (September 5, 2026), covers September 5–7.
A monsoon trough across the North and upper Northeast, combined with a moderate southwest monsoon over the Andaman Sea, Thailand and the Gulf of Thailand, is driving the wet weather.