The National Center for Hydro-Meteorological Forecasting warns that on August 30-31, the area from Thanh Hoa to Phu Yen will have hot weather, some places will be extremely hot with the highest temperature commonly ranging from 35-37 degrees Celsius, some places above 37 degrees Celsius; the lowest relative humidity commonly ranges from 50-55%.
The low pressure trough across the South Central region connects with a wind convergence zone over the central East Sea, which is gradually becoming stronger. Therefore, during the National Day holidays from the afternoon of August 31 and September 1-2, in the Central region, there is a possibility of moderate to heavy rain from noon to evening with rainfall of 15-30mm, locally over 80mm. The heat will gradually ease from September 1. Tourists should make reasonable travel plans and choose safe accommodation areas.
Meanwhile, the North will see increased temperatures, with scattered showers and thunderstorms in the afternoon and evening of August 30. The South Central region will have scattered showers and thunderstorms, with some places experiencing heavy rain with rainfall ranging from 10-30mm, and some places experiencing over 70mm.
In the evening and night of August 29, in the Central Highlands and the South, there will be showers and thunderstorms, locally heavy to very heavy rain with rainfall from 20-40mm, locally over 90mm.

Hanoi
Lowest temperature: 26-28 degrees Celsius.
Highest temperature: 32-34 degrees Celsius.
Cloudy with scattered showers and thunderstorms. Light winds. Thunderstorms with possible tornadoes, lightning and strong gusts of wind.
Northwest
Lowest temperature: 24-27 degrees Celsius; some places below 23 degrees Celsius.
Highest temperature: 31-34 degrees Celsius, some places above 34 degrees Celsius.
Cloudy, scattered showers and thunderstorms at night; scattered showers and thunderstorms during the day. Light wind. Thunderstorms may cause tornadoes, lightning and strong gusts of wind.
Northeast
Lowest temperature: 25-28 degrees Celsius, in mountainous areas below 25 degrees Celsius.
Highest temperature: 31-34 degrees Celsius, in some places above 34 degrees Celsius.
Cloudy, scattered showers and thunderstorms in the late afternoon and evening, scattered showers and thunderstorms in the day. Light wind. Thunderstorms may cause tornadoes, lightning and strong gusts of wind.
Thanh Hoa - Thua Thien Hue
Lowest temperature: 26-29 degrees Celsius.
Highest temperature: 34-37 degrees Celsius, some places above 37 degrees Celsius.
Cloudy, with scattered showers and thunderstorms in the late afternoon and evening; sunny during the day, with some areas experiencing intense heat. Southwesterly winds at level 2-3. Thunderstorms are likely to produce tornadoes, lightning, and strong gusts of wind.
Da Nang to Binh Thuan
Lowest temperature: 25-28 degrees Celsius.
Highest temperature: 33-36 degrees Celsius, some places above 37 degrees Celsius.
Cloudy, with scattered showers and thunderstorms in the late afternoon and at night, with scattered showers and thunderstorms in the South, with some heavy rain in some places; hot and sunny during the day, with some places experiencing intense heat. Southwesterly winds at level 2-3. There is a possibility of tornadoes, lightning, and strong gusts of wind during thunderstorms.
Central Highlands
Lowest temperature: 19-22 degrees Celsius, some places below 19 degrees Celsius.
Highest temperature: 26-29 degrees Celsius.
Partly cloudy, with showers and thunderstorms tonight and tomorrow afternoon, with some places experiencing heavy to very heavy rain. West to southwest winds at level 2-3. Thunderstorms are likely to produce tornadoes, lightning, hail and strong gusts of wind.
Southern Vietnam
Lowest temperature: 23-26 degrees Celsius.
Highest temperature: 30-33 degrees Celsius
Partly cloudy, with showers and thunderstorms tonight and tomorrow afternoon, with some places experiencing heavy to very heavy rain. Southwesterly winds level 2-3. Thunderstorms are likely to produce tornadoes, lightning, hail and strong gusts of wind.