According to the National Center for Hydro-Meteorological Forecasting, on May 10, the Southern region will be hot with the highest temperature commonly 35 - 36 degrees C, in some places above 37 degrees C such as the following monitoring stations: Ta Lai (Dong Nai) 38 degrees C, Tay Ninh 38 degrees C, Nha Be (Ho Chi Minh City) 37.4 degrees C... ; the relative lowest humidity is commonly 50 - 55%.
On May 11 - 12, the Southern region will be hot, with intense heat in some places with the highest temperature commonly 35 - 37 degrees C, in some places above 37 degrees C. The relative lowest humidity is commonly from 50 - 55%.

Disaster risk warning level is level 1. Due to the impact of hot sun combined with low humidity in the air, there is a risk of fire and explosion in residential areas due to increased electricity demand. In addition, hot sun can also cause dehydration for the human body when exposed to high temperatures for a long time.
Note that the forecast temperature in hot weather bulletins and the actual perceived temperature outside can differ from 2 - 4 degrees Celsius, or even higher depending on the condition of the buffer surface such as concrete and asphalt roads.
In the 10-day weather forecast bulletin, the meteorological agency forecasts that the South will have hot weather until around May 15. From around May 16, this area will have scattered showers and thunderstorms. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.