Meteorological Department Updates Heavy to Very Heavy Rain Watch Areas from 25-28 Oct. Check Which Provinces Are Affected

The Meteorological Department updates areas under watch for "heavy to very heavy rain" from 25 to 28 October 2026. Check which provinces are expected to be affected, potentially causing flash floods, mountain runoff floods, and waterlogging due to heavy rain accumulation.

On 25 October 2026, the Facebook pageof the Meteorological Departmentposted an update on areas at risk of heavy to very heavy rain from 25 to 28 October 2026, as of 06:00 on 25 October 2026, citing Meteorological Department Announcement No. 4. It stated that the southern region will still experience heavy to very heavy rain, while upper Thailand should be cautious of thunderstorms, strong gusty winds, and lightning as follows.

Areas expected to be affected daily

25 October 2026

Very heavy rain

• Southern region: Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Phuket, Krabi, Trang, and Satun

Heavy rain

• Northeastern region: Loei, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, and Nakhon Phanom
• Southern region: Surat Thani, Nakhon Si Thammarat, Ranong, and Phang Nga

26 October 2026

Very heavy rain

• Southern region: Nakhon Si Thammarat, Phatthalung, Songkhla, Trang, and Satun

Heavy rain

• Northern region: Chiang Rai, Phayao, Nan, Uttaradit, Phitsanulok, and Phetchabun
• Northeastern region: Loei, Chaiyaphum, Khon Kaen, Nakhon Ratchasima, and Buriram
• Central region: Nakhon Sawan, Lopburi, Saraburi, Phra Nakhon Si Ayutthaya, including Bangkok and its vicinity
• Eastern region: Nakhon Nayok, Prachinburi, Chachoengsao, and Chonburi
• Southern region: Surat Thani, Pattani, Yala, Narathiwat, Phang Nga, Phuket, and Krabi

27 October 2026

Heavy rain

• Northern region: Tak and Kamphaeng Phet
• Central region: Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram, including Bangkok and its vicinity
• Southern region: Phetchaburi, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Krabi, Trang, and Satun

28 October 2026

Heavy rain

Southern region: Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, and Narathiwat

Precautions

Southern region (25–28 Oct.): Beware of accumulated rainfall that may cause flash floods, mountain runoff floods, and waterlogging, especially in foothill areas, near waterways, and lowlands.

Upper Thailand (25–27 Oct.): Be cautious of thunderstorms, strong gusty winds, heavy rain, and lightning in some places. Avoid open areas, under large trees, and near weak billboards.

Gulf of Thailand and Andaman Sea: Areas with thunderstorms may have waves exceeding 2 meters. Fishermen should navigate cautiously and avoid sailing in stormy areas.

The public is advised to plan their travel and continuously monitor announcements as weather conditions and affected areas may change.

Thanks to the Meteorological Department's Facebook page for the information.