According to the National Center for Hydro-Meteorological Forecasting, on July 31, in the area from Thanh Hoa to Da Nang, the east of the provinces from Quang Ngai to Dak Lak and Khanh Hoa will have hot weather, some places will have severe heat.
The highest temperature during the day is generally 35 - 37 degrees Celsius, with monitoring stations above 37 degrees Celsius such as: Tay Hieu station (Nghe An) 37.2 degrees Celsius, Do Luong station (Nghe An) 37.3 degrees Celsius, Da Nang station 37.3 degrees Celsius, Quang Ngai station 38.0 degrees Celsius, Cam Ranh station (Khanh Hoa) 40.4 degrees Celsius, ...
The Northern region will have local heat, with monitoring stations above 36 degrees Celsius: Hoa Binh station (Phu Tho) 36.6 degrees Celsius, Lao Cai station 37.0 degrees Celsius, Bac Me station (Tuyen Quang) 38.2 degrees Celsius... Relative humidity is commonly 55 - 65%.

Thanh Hoa to Da Nang, the east of the provinces from Quang Ngai to Dak Lak and Khanh Hoa from August 1 to 2, are forecast to have hot weather, some places are experiencing severe heat with the highest temperature commonly 35 - 37 degrees Celsius, some places are over 37 degrees Celsius. The lowest relatively humidity is commonly 55 - 60%. The hot weather is from 11am to 5pm.
The Northern Delta region on August 2 is forecast to have hot weather with the highest temperature commonly 35 - 36 degrees Celsius, some places above 36 degrees Celsius; the lowest relatively humidity commonly 60 - 65%. The hot weather is from 11 - 16 hours.
The meteorological agency forecasts that the heat in the Central region is likely to last for many days to come. Meanwhile, the hot weather in the Northern region is likely to spread and last until August 4.
The warning level of natural disaster risk due to heat is level 1. Due to the influence of hot weather, some places are experiencing severe heat combined with low humidity in the air, so there is a high risk of fire and explosion in residential areas due to increased demand for electricity, along with the risk of forest fires.
Hot weather can also cause dehydration, exhaustion, and heat stroke in the human body when exposed to high temperatures for a long time.
The National Center for Hydro-Meteorological Forecasting noted that the forecast temperature in hot weather reports and the actual outdoor temperature may vary by 2 - 4 degrees Celsius, or even higher, depending on buffer conditions such as concrete and asphalt roads.