The Meteorological Department warns that from March 11 to 13, 2026, upper Thailand will experience severe thunderstorms featuring strong gusty winds, hail, heavy rainfall in some locations, and occasional lightning in certain areas.
On March 9, 2026, reporters stated that the Meteorological Department predicts severe thunderstorms will occur in upper Thailand from March 11 to 13, 2026. These will include thunderstorms, strong gusty winds, hail, heavy rain in some areas, and occasional lightning. This is because a high-pressure system or cold air mass from China will spread over the upper North, Northeast, and South China Sea regions, causing southerly and southeasterly winds to bring moisture into the Northeast, Central, East, and Gulf of Thailand, while upper Thailand remains hot.
During this period, particulate matter in the North, Central regions, including Bangkok and its vicinity, is at a moderate level due to ventilation conditions ranging from weak to good.
From March 9-10 and 14-15, 2026, upper Thailand will be hot during the day but scattered thunderstorms may still occur in some areas due to low-pressure areas caused by heat covering upper Thailand.Low-pressure areasdue to heat cover upper Thailand, combined with southeasterly and southerly winds blowing over the area.
From March 11 to 13, 2026, upper Thailand will experience severe thunderstorms characterized by thunderstorms, strong gusty winds, hail, heavy rain in some areas, and occasional lightning. This is because a high-pressure system or cold air mass from China will spread over the upper North, Northeast, and South China Sea, bringing southerly and southeasterly winds that carry moisture into the Northeast, Central, East, and Gulf of Thailand, while upper Thailand remains hot.
For the South from March 10 to 14, 2026, increased rainfall and some heavy rain are expected due to strengthening easterly and southeasterly winds covering the Gulf of Thailand, the South, and the Andaman Sea. Afterward, the rain will decrease.
Precautions: From March 11 to 13, 2026, residents in upper Thailand should be cautious of dangers from thunderstorms, strong gusty winds, hail, and lightning by avoiding open areas, large trees, and unstable billboards. They should also avoid traveling through areas experiencing thunderstorms during this period. Farmers are advised to reinforce fruit trees and prepare to protect crops and livestock from potential damage, as well as to take care of their health during these changing weather conditions.