Eleven provinces and cities experienced temperatures above 40 degrees Celsius.

On May 26th, 22 meteorological stations in 11 provinces and cities in Northern and Central Vietnam recorded temperatures of 40 degrees Celsius or higher.

On May 27th, intense heat is forecast to continue in the Thanh Hoa area. (Photo: Hoang Dong)

According to the National Center for Meteorological and Hydrological Forecasting, today (May 26th), the Northern region and the area from Thanh Hoa to Da Nang City, the eastern parts of the provinces from Quang Ngai to Dak Lak and Khanh Hoa experienced intense and exceptionally intense heat with daily maximum temperatures commonly ranging from 38-40 degrees Celsius, and in some places exceeding 40 degrees Celsius.

Twenty-two locations across 11 provinces and cities—Phu Tho, Lao Cai, Tuyen Quang, Bac Ninh, Hanoi , Hung Yen, Ninh Binh, Thanh Hoa, Nghe An, Quang Tri, and Dak Lak—had daily maximum recorded temperatures of 40 degrees Celsius or higher.

The highest temperatures were recorded in Lang (Hanoi) and Do Luong (Nghe An) at 41.1 degrees; Hoi Xuan (Thanh Hoa) at 40.8 degrees; Pho Rang (Lao Cai) at 40.7 degrees; Vinh Yen (Phu Tho) at 40.5 degrees; Bac Me (Tuyen Quang) at 40.3 degrees; Dong Hoi (Quang Tri) at 40.2 degrees; Tuy Hoa (Dak Lak) at 40 degrees...

The lowest common relative humidity is 45-50%.

Tomorrow (May 27th) forecasts that the Northern Delta region, Phu Tho province, and the area from Thanh Hoa to Hue City will continue to experience intense and exceptionally intense heat with maximum temperatures generally ranging from 38-40 degrees Celsius, and exceeding 40 degrees Celsius in some places; the lowest relative humidity will generally be between 40-45%.

Other areas in Northern Vietnam and the South Central coastal region are experiencing intense heat, with some places experiencing exceptionally severe heat, with maximum temperatures commonly ranging from 37-39 degrees Celsius, and some places exceeding 40 degrees Celsius; the lowest relative humidity is commonly between 45-50%.

On May 28th, the area from Thanh Hoa to Hue City experienced intense heat, with some places experiencing exceptionally severe heat. The highest temperatures were generally 37-39 degrees Celsius, with some areas exceeding 39 degrees Celsius; the lowest relative humidity was generally 45-50%.

The midland and lowland areas of Northern Vietnam, and the South Central coastal region will experience hot weather, with some areas experiencing intense heat. The highest temperatures will generally range from 35-37 degrees Celsius, with some places exceeding 37 degrees Celsius; the lowest relative humidity will generally be between 50-55%.

From May 29th, the widespread heatwave will end in Northern Vietnam, and the heatwave will gradually subside in Central Vietnam.

The highest actual temperature recorded on May 26, 2026.

Due to the effects of hot weather, intense heat, and exceptionally intense heat combined with low humidity, there is a high risk of explosions and fires in residential areas due to increased electricity demand, and a risk of forest fires.

In addition, hot weather can cause dehydration when people are exposed to high temperatures for extended periods. Note: the temperature forecast in heatwave reports and the actual perceived temperature outdoors may differ by 2-4 degrees, or even more, depending on the surface conditions such as concrete or asphalt.

NM

Source: https://baothanhhoa.vn/11-tinh-thanh-co-nhiet-do-cao-tren-40-do-c-288982.htm