After Songkran, vigilance is required for severe thunderstorms from 16 to 20 April 2026, with strong winds and heavy rain across Thailand. The Meteorological Department issued a warning advising people in upper Thailand to prepare for severe storms characterized by thunderstorms, gusty winds, hail, and possible lightning in some areas. The following timeline and specific areas require special attention.
16 - 17 April: Storm onset begins impacting the lower northeastern and eastern regions, including Ubon Ratchathani, Sisaket, Chanthaburi, and Trat provinces.
18 - 19 April: Critical period with widespread impact. Storms will expand broadly affecting nearly every province in the Northeast and East, including Bangkok Metropolitan Region, North, and Central regions.
20 April: Storms begin to weaken. Rainfall will decrease but there remains a high chance of storms in some northeastern and eastern provinces.
For safety amid volatile weather conditions, the Meteorological Department advises the public to follow these guidelines:
1. Avoid hazardous areas
Do not stay in open spaces.
Keep away from large trees, weak structures, or unstable advertising signs.
2. Recommendations for farmers
Strengthen fruit trees.
Prepare to protect agricultural products and livestock from potential damage.
3. Health care
Be cautious and take care of your health due to rapidly changing weather conditions.
Thunderstorms
Gusty winds
Hail and chances of lightning