Meteorological Departments 3rd Warning: Heavy to Very Heavy Rainfall from 9-13 Oct. Check Which Provinces to Watch

The Meteorological Department issues its 3rd announcement warning of heavy to very heavy rain effective from 9-13 October 2026. Check which days have heavy rain and which provinces need caution.

At 05:00 on 8 October 2026the Meteorological Departmentissued the 3rd announcement regarding heavy to very heavy rain in Thailand (effective 9 - 13 October 2026), stating that during this period, Thailand will experience unstable weather with thunderstorms, strong gusty winds, hail, and some areas receiving heavy to very heavy rain. The impacts by region and date are as follows:

On 9 October 2026, heavy rain begins

• Northeastern region: Amnat Charoen, Surin, Sisaket, Ubon Ratchathani
• Eastern region: Chanthaburi, Trat
• Southern region: Phetchaburi, Prachuap Khiri Khan, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla

On 10 October 2026, heavy rain affects many regions including Bangkok and vicinity

Very heavy rain: Rayong, Chanthaburi, Trat

Heavy rain: :

• North: Phetchabun, Kamphaeng Phet, Tak
• Northeast: Chaiyaphum, Nakhon Ratchasima, Buriram
• Central: Lopburi, Saraburi, Nakhon Sawan, Chai Nat, Sing Buri, Ang Thong, Ayutthaya, Uthai Thani, Suphan Buri, Nakhon Pathom, Kanchanaburi, Ratchaburi, Samut Sakhon, Samut Songkhram, including Bangkok and vicinity
• East: Nakhon Nayok, Prachinburi, Sa Kaeo, Chachoengsao, Chonburi
• South: Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Ranong, Phang Nga, Phuket, Krabi, Trang

On 11 October 2026, rain continues

Very heavy rain: Phetchaburi, Prachuap Khiri Khan

Heavy rain:

• North: Kamphaeng Phet, Tak
• Central: Uthai Thani, Suphan Buri, Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram, including Bangkok and vicinity
• East: Chachoengsao, Chonburi, Rayong, Chanthaburi, Trat
• South: Chumphon, Nakhon Si Thammarat, Phatthalung, Songkhla, Narathiwat, Ranong, Krabi, Trang, Satun

On 12 October 2026, heavy rain continues

• South: Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Phatthalung, Songkhla, Yala, Narathiwat, Ranong, Phang Nga, Phuket, Krabi, Trang, Satun

On 13 October 2026, heavy rain still expected

South: Phetchaburi, Prachuap Khiri Khan, Chumphon, Songkhla, Yala, Narathiwat, Ranong, Satun

This is due to the late rainy season when high pressure or cold air masses from China extend over upper Thailand, combined with a monsoon trough passing through upper southern Thailand, while the southwest monsoon continues to cover the Andaman Sea, southern Thailand, and the Gulf of Thailand.

The public is advised to be cautious of dangers from thunderstorms, strong gusty winds, heavy to very heavy rain, and accumulated rainfall, which may cause flash floods and mountain runoff, especially in hillside areas near waterways and low-lying areas that may experience flooding. Avoid open spaces, large trees, and unstable billboards.

In the Andaman Sea and Gulf of Thailand, waves in thunderstorm areas will exceed 2 meters high. Mariners in these waters should check routes and navigate carefully, avoiding areas with thunderstorms.

For safety and to minimize impacts, the public should plan activities and travel cautiously during this period, follow updates from the Meteorological Department, and can access information on their website.http://www.tmd.go.thor call 0-2399-4012-13 and 1182, available 24 hours.