Seventh Seasonal Storm Alert: Heavy Rainfall, Strong Winds, and Hail Expected in 39 Provinces Including Bangkok and Surrounding Areas

The Thai Meteorological Department issued the seventh seasonal storm warning on April 25, 2026, alerting to heavy rainfall, strong winds, and hail affecting 39 provinces, Bangkok, and surrounding areas. The warning covers the western and lower northeastern regions, the northern, central, and eastern zones, with thunderstorms, gusty winds, hail, heavy rainfall in some areas, and possible lightning strikes expected. The severe weather is caused by a high-pressure system and cold air mass from China spreading over the northeastern region and the South China Sea, while Thailand's upper region experiences generally hot conditions.

Residents in affected areas are advised to avoid open spaces, large trees, weak structures, and unstable billboards. Farmers should reinforce fruit trees and prepare protective measures for agricultural products and livestock, while maintaining good health during changing weather conditions. The public is encouraged to monitor updates from the Thai Meteorological Department via their website (http://www.tmd.go.th) or by calling 0-2399-4012-13 and 1182, available 24/7.

High-risk provinces on April 25, 2026 include: Northern region: Mae Hong Son, Chiang Mai, Lampoon, Lamphun, Sukhothai, Tak, and Kamphaeng Phet Central region: Uthai Thani, Chai Nat, Saraburi, Ayutthaya, Suphan Buri, Kanchanaburi, and Ratchaburi, plus Bangkok and surrounding areas Eastern region: Nakhon Nayok, Prachuap Khiri Khan, Sa Kaew, Chachoengsao, and Chonburi

Moderate-risk provinces include areas of the northern, northeastern, central, and eastern regions.