TMD Warns of Heavy Rain, Storms Across Thailand
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The Thai Meteorological Department issued Announcement No. 7 on October 26, 2026, warning of heavy to very heavy rain in the South and stormy conditions in upper Thailand (effective through October 28, 2026).
From October 26-28, the South will experience continuous rain with heavy to very heavy downpours in many areas. The public is warned of dangers from accumulated rainfall that could trigger flash floods and mudslides, especially in foothill areas near waterways, low-lying areas, and flood-prone zones.
From October 26-27, upper Thailand will face volatile weather with thunderstorms, strong gusty winds, heavy rain, and lightning in some areas. The impact will hit upper Thailand first, then rain will ease in the Northeast. People should beware of thunderstorms and strong winds, avoid open areas, large trees, and unstable billboards.
The conditions are caused by a high-pressure system or cold air mass from China covering upper Thailand and the South China Sea, driving easterly winds that bring moisture from the South China Sea and Gulf of Thailand across upper Thailand. Meanwhile, the monsoon trough across the South is strengthening.
In the Andaman Sea and Gulf of Thailand, waves will exceed 2 meters in areas with thunderstorms. Mariners in the Gulf and Andaman should navigate with caution and avoid sailing in thunderstorm areas.
For safety and to minimize impacts, the public is advised to plan daily activities and travel carefully during this period. Continuous monitoring of TMD announcements is recommended via www.tmd.go.th, 0-2399-4012-13, or 1182 (24 hours).
Announced October 26, 2026 at 17:00. The next announcement will be issued October 27, 2026 at 05:00.
