In the afternoon of May 18, strong thunderstorms developed, causing heavy rain in Ho Chi Minh City and the Southern region after a day of intense heat. Many people said that although the sun was not as intense as in previous days, the feeling of heat was very uncomfortable, and moving on the streets at noon made many people tired.
By early afternoon, the sky in many places turned dark, strong gusts of wind accompanied by heavy rain appeared widely. On some roads in Ho Chi Minh City, heavy rain caused pedestrians to stop their vehicles to shelter from the rain, and traffic moved slowly.

Through monitoring satellite cloud images, weather radar images and lightning positioning, thunderstorm clouds are developing strongly, causing showers with thunderstorms and lightning in many areas in Vinh Long, Dong Thap, An Giang, Tay Ninh, Dong Nai, Lam Dong and Ho Chi Minh City provinces.
In which, in Ho Chi Minh City, rain occurred in the area of Binh Loi commune, Binh Hung commune, Xuan Thoi Son commune, Dien Hong ward...
According to the Southern Hydrometeorological Station, in the next 0-3 hours, thunderstorms will continue to develop and cause showers accompanied by thunderstorms and lightning for the above areas, then thunderstorms tend to expand and spread to other neighboring areas.
Common rainfall is from 5-20 mm, in some places over 30 mm. During thunderstorms, beware of tornadoes, lightning, hail, strong gusts of wind at level 5-8 (8-21m/s), heavy rain causing localized flooding.