The Thai Meteorological Department has issued a forecast indicating that upper Thailand, including Bangkok, will experience continued thunderstorms and strong winds over the next 24 hours. The North, Northeast, and Central regions are particularly affected, with hot daytime temperatures accompanying these weather patterns.

Residents are advised to remain vigilant regarding thunderstorms and gusty winds. Additionally, due to fluctuating weather conditions, health precautions are recommended. The prevailing weather is attributed to easterly and southeasterly winds transporting moisture over the upper regions, where daytime heat persists.

In southern Thailand, rainfall is projected to intensify, with isolated heavy showers expected, particularly in the lower South. Residents in areas prone to flash floods and runoff, especially in foothill regions or near waterways and low-lying areas, are cautioned to monitor conditions closely. This expected rainfall is caused by interactions between the easterly and southeasterly winds over the Gulf of Thailand and the South, along with northwesterly winds affecting the lower Andaman Sea.

Wave heights in the Gulf of Thailand are anticipated to average around 1 metre but may exceed 2 metres in thunderstorm areas. Mariners navigating the Gulf and Andaman Sea are advised to exercise caution and avoid areas with adverse weather conditions.

PM2.5 Dust Levels

Current meteorological conditions may lead to increased levels of particulate matter (PM2.5) in the atmosphere. In the Northeast region, air quality currently ranges from moderate to fairly high levels, although a minor decrease is expected due to potential rainfall in certain areas.

Thailand Weather Forecast

Northern Region:

• Conditions: Hot weather with thunderstorms affecting 40% of the area and isolated strong winds.
• Areas Affected: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, Tak, Phitsanulok, and Phetchabun.
• Minimum Temperature: 22–25°C
• Maximum Temperature: 31–38°C
• Winds: Southwesterly at 5–15 km/h.

Northeastern Region:

• Conditions: Hot weather with thunderstorms projected in 30% of the area and isolated strong winds.
• Areas Affected: Loei, Nong Khai, Bueng Kan, Udon Thani, Chaiyaphum, Amnat Charoen, Nakhon Ratchasima, Buri Ram, Surin, Si Sa Ket, and Ubon Ratchathani.
• Minimum Temperature: 24–27°C
• Maximum Temperature: 34–39°C
• Winds: Easterly at 10–20 km/h.

Central Region:

• Conditions: Hot weather with thunderstorms expected in 30% of the area and isolated strong winds.
• Areas Affected: Nakhon Sawan, Lopburi, Saraburi, Phra Nakhon Si Ayutthaya, Kanchanaburi, and Ratchaburi.
• Minimum Temperature: 25–27°C
• Maximum Temperature: 36–38°C
• Winds: Easterly at 10–20 km/h.

Eastern Region:

• Conditions: Hot weather in the upper part of the region, with thunderstorms affecting 40% of the area.
• Areas Affected: Nakhon Nayok, Chachoengsao, Chanthaburi, and Trat.
• Minimum Temperature: 25–27°C
• Maximum Temperature: 32–37°C
• Winds: Southeasterly at 10–30 km/h.
• Seas: Waves below 1 metre; over 2 metres in thunderstorm areas.

Southern Region (East Coast):

• Conditions: Thunderstorms in 40% of the area, with isolated heavy rain.
• Areas Affected: Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, and Narathiwat.
• Minimum Temperature: 22–25°C
• Maximum Temperature: 31–35°C
• Winds: Southeasterly at 15–30 km/h.
• Seas: Waves around 1 metre; over 2 metres in stormy areas.

Southern Region (West Coast):

• Conditions: Thunderstorms covering 40% of the area.
• Areas Affected: Phang Nga, Krabi, Trang, and Satun.
• Minimum Temperature: 24–26°C
• Maximum Temperature: 31–34°C
• Winds: Northwesterly at 10–30 km/h.
• Seas: Waves below 1 metre; offshore around 1 metre; over 2 metres in thunderstorm areas.

Bangkok and Surrounding Provinces:

• Conditions: Hot weather expected with thunderstorms affecting 40% of the area.
• Minimum Temperature: 25–27°C
• Maximum Temperature: 33–37°C
• Winds: Southeasterly at 10–20 km/h.