The Meteorological Department issued its fourth announcement warning of a "summer storm" over upper Thailand during April 23-25, with heavy rain and strong winds starting in the North and Northeast, followed by the Central region including Bangkok and the East facing impacts later.
On April 23, 2026, the websiteof the Meteorological Departmentissued the announcement regarding the summer storm over upper Thailand (effective April 23–25, 2026), number 4.
It stated that from April 23–25, 2026, upper Thailand will experience a summer storm characterized by thunderstorms, strong gusty winds, hail, and heavy rain in some areas, with possible lightning in certain locations. The storm will begin in the North and Northeast regions, with the Central region, including Bangkok and its vicinity, and the East affected subsequently. This is due to a high-pressure system or cold air mass from China spreading over the Northeast and the South China Sea, while upper Thailand generally experiences hot to very hot weather.
The public in these areas are advised to be cautious of dangers from the summer storm by avoiding open spaces, standing under large trees, unstable structures, and weak advertising signs. Farmers should reinforce fruit trees and prepare to protect agricultural products and livestock from potential damage, as well as take care of their health during these changing weather conditions. The public is encouraged 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. The provinces expected to be affected by thunderstorms and strong gusty winds are as follows:
