Announcement " Severe Thunderstorm" in Upper Thailand No. 7 warns 40 provinces, including Bangkok, to monitor heavy rain, strong gusts, hail, and some lightning in certain areas, advising the public to avoid open spaces and shelter under large trees.
On 30 April 2026, the websiteof the Meteorological Departmentissued the 7th announcement on severe thunderstorms in Upper Thailand (effective until 1 May 2026), stating that from 30 April to 1 May 2026, the northern, northeastern, eastern, and central regions, including Bangkok and its vicinity, will experience severe thunderstorms.
These storms are characterized by thunder, strong gusty winds, hail, and heavy rain in some areas, with possible lightning. This is due to high pressure or cold air masses from China spreading over the northeast and the South China Sea, while Upper Thailand remains hot.
The public in these areas is urged to be cautious of severe thunderstorms by avoiding open places, large trees, weak structures, and billboards. Farmers should reinforce fruit trees and prepare to protect crops and livestock from possible damage, as well as take care of their health during this weather change.
People are advised to follow updates from the Meteorological Department and can access information on their websitehttp://www.tmd.go.thor call 0-2399-4012-13 and 1182, available 24 hours. The provinces expected to be affected by thunderstorms and strong winds are as follows:
High risk
Moderate risk
Moderate risk