The National Center for Hydro-Meteorological Forecasting said that on August 9-10, heat waves will continue and increase widely in the North, including the Northwest region.

Particularly in southern Son La, Hoa Binh and the Northern Delta, the heat is intense with the highest temperature commonly ranging from 35-38 degrees Celsius. The lowest relative humidity commonly ranges from 50-55%.

In Hanoi, Accuweather predicts that the area may record intense heat with a maximum temperature of 38 degrees Celsius. Thunderstorms may return in the evening and at night, but the amount will be insignificant, and the hot weather will last all day.

At the same time, the heat continues to increase in the area from Thanh Hoa to Phu Yen with the highest temperature of 36-38 degrees Celsius, some places over 38 degrees Celsius. The lowest relative humidity is commonly 45-55%.

Weather forecast for August 9 in regions across the country:

- Hanoi: Showers and thunderstorms at night in some places; hot and very hot during the day. Lowest temperature 27-29 degrees Celsius, highest 36-38 degrees Celsius, some places over 38 degrees Celsius.

- Northwest: At night there will be showers and thunderstorms in some places; during the day it will be hot and sunny, especially in the south of Son La and Hoa Binh. Lowest temperature 25-28 degrees Celsius; highest 34-37 degrees Celsius, especially in the south of Son La and Hoa Binh 35-38 degrees Celsius.

- Northeast: In the evening and at night, there will be showers and thunderstorms in some places, especially in mountainous areas, with scattered showers and thunderstorms, with some places having heavy to very heavy rain. During the day, it will be hot and sunny, with some places having extremely hot weather. The lowest temperature is 26-29 degrees Celsius; the highest is 35-38 degrees Celsius, with some places having over 38 degrees Celsius.

- From Thanh Hoa to Thua Thien Hue: At night there will be showers and thunderstorms in some places; during the day it will be hot and very hot. Southwest wind level 2-3. Lowest temperature 26-29 degrees Celsius; highest 35-38 degrees Celsius, some places will be over 38 degrees Celsius.

- From Da Nang to Binh Thuan: At night there will be showers and thunderstorms in some places; during the day it will be hot and sunny, especially in the north. Lowest temperature 25-28 degrees Celsius; highest in the north 35-38 degrees Celsius, in the south 32-35 degrees Celsius.

- Central Highlands: Showers and thunderstorms in some places at night, sunny during the day. Lowest temperature 20-23 degrees Celsius; highest 29-32 degrees Celsius.

- Southern region: Showers and thunderstorms at night in some places, sunny during the day. Lowest temperature 25-28 degrees Celsius; highest 32-35 degrees Celsius.