Announcement No. 7 Warns of Unstable Weather: Check Provinces Preparing for Heavy Rain and Strong Winds

The Meteorological Department issued Announcement No. 7 regarding unstable weather across Thailand. Check which provinces are expected to be affected by heavy rain and strong gusty winds.

On 8 May 2026, the websiteof the Meteorological Departmentissued a statement on unstable weather conditions in Thailand (effective until 10 May 2026), Announcement No. 7, stating that northern, northeastern, eastern, central regions, including Bangkok and its metropolitan area, will experience thunderstorms with strong gusty winds and some heavy rain in certain areas.

Following this, temperatures will ease as a high-pressure area or cold air mass from China spreads over the northeast and South China Sea, combined with southerly and southeasterly winds bringing moisture from the Gulf of Thailand and South China Sea over upper Thailand. Easterly winds over the south and Gulf of Thailand will strengthen, causing heavy to very heavy rainfall in some parts of the southern region.

Residents in these areas are advised to beware of dangers from thunderstorms and strong gusty winds by avoiding open spaces, standing under large trees, unstable structures, and billboards. They should also be cautious of hazards from heavy and accumulated rainfall which may cause flash floods and flash floods from mountain runoff.

Farmers should reinforce the stability of fruit trees and prepare to protect agricultural products and livestock from possible damage. Additionally, they should take care of their health during this weather change. The public is urged to follow announcements 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 a day.

Provinces expected to be affected by thunderstorms, strong gusty winds, and heavy rain are as follows:

8 May 2026

High risk

• Northern region: Mae Hong Son, Chiang Mai, Lamphun, Lampang, Uttaradit, Sukhothai, Tak, Kamphaeng Phet, Phitsanulok, Phichit, and Phetchabun provinces.
• Northeastern region: Loei, Nong Bua Lamphu, Chaiyaphum, Khon Kaen, Nakhon Ratchasima, and Buriram provinces.
• Central region: Nakhon Sawan, Uthai Thani, Lopburi, Saraburi, and Kanchanaburi provinces.
• Eastern region: Nakhon Nayok, Prachinburi, Sa Kaeo, Chachoengsao, and Chonburi provinces.
• Southern region: Surat Thani, Nakhon Si Thammarat, Songkhla, Yala, Phang Nga, Krabi, Trang, and Satun provinces.

Moderate risk

• Northern region: Chiang Rai, Phayao, Nan, and Phrae provinces.
• Northeastern region: Nong Khai, Bueng Kan, Udon Thani, Surin, Si Sa Ket, and Ubon Ratchathani provinces.
• Central region: Chainat, Sing Buri, Ang Thong, Phra Nakhon Si Ayutthaya, Suphan Buri, Ratchaburi, Nakhon Pathom, Samut Songkhram, and Samut Sakhon provinces, including Bangkok and its metropolitan area.
• Eastern region: Rayong, Chanthaburi, and Trat provinces.
• Southern region: Phetchaburi, Prachuap Khiri Khan, Chumphon, Phatthalung, Pattani, Narathiwat, and Phuket provinces.

9 May 2026

High risk

• Northern region: Mae Hong Son, Chiang Mai, Tak, and Kamphaeng Phet provinces.
• Central region: Nakhon Sawan, Uthai Thani, Chainat, Kanchanaburi, and Suphan Buri provinces.
• Southern region: Surat Thani, Nakhon Si Thammarat, Phatthalung, Krabi, Trang, and Satun provinces.

Moderate risk

• Northern region: Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Sukhothai, Uttaradit, Phitsanulok, Phichit, and Phetchabun provinces.
• Northeastern region: Loei, Nong Bua Lamphu, Chaiyaphum, Khon Kaen, Nakhon Ratchasima, and Buriram provinces.
• Central region: Lopburi, Saraburi, Sing Buri, Ang Thong, Phra Nakhon Si Ayutthaya, Ratchaburi, Nakhon Pathom, Samut Songkhram, and Samut Sakhon provinces, including Bangkok and its metropolitan area.
• Eastern region: Nakhon Nayok, Prachinburi, Sa Kaeo, Chachoengsao, Chonburi, and Rayong provinces.
• Southern region: Chumphon, Songkhla, Phang Nga, and Phuket provinces.

10 May 2026

Moderate risk

• Northern region: Mae Hong Son, Chiang Mai, Lamphun, Lampang, Chiang Rai, Phayao, Nan, Tak, Kamphaeng Phet, Uttaradit, Phitsanulok, and Phetchabun provinces.
• Northeastern region: Loei, Nong Khai, Bueng Kan, Nong Bua Lamphu, and Udon Thani provinces.