China · Nation Thailand
Rain forecast for 36 Thai provinces as South faces flash flood risk
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Heavy rain forecast in southern Thailand could trigger flash floods and rapid run-off, the Thai Meteorological Department (TMD) has warned, with thundershowers expected in parts of 36 provinces and Bangkok.
Key facts
- The forecast, issued on October 29, 2026, covers the period from 6pm on October 29 to 6pm on October 30.
- Thundershowers are forecast in 70% of the region, with isolated very heavy rain in Prachuap Khiri Khan and Chumphon.
- Thundershowers are expected in 70% of the region, with isolated very heavy rain in Phuket and isolated heavy rain in Ranong, Phang Nga, Krabi and Trang.
- Thundershowers are forecast in 40% of Bangkok and its vicinity, with gusty winds in some areas.
- Thundershowers are expected in 30% of the region, with gusty winds in some areas, mainly in Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon and Samut Songkhram.
- Thundershowers are forecast in 40% of the region, with gusty winds in some areas, particularly in Nakhon Nayok, Chachoengsao, Chon Buri, Rayong, Chanthaburi and Trat.
Summary
The forecast, issued on October 29, 2026, covers the period from 6pm on October 29 to 6pm on October 30.
Rain is expected to continue in the South, with isolated heavy to very heavy falls. Elsewhere, thundershowers and localised gusty winds are forecast in upper Thailand, particularly the Central region, including Bangkok and its vicinity, and the East.