The National Center for Hydrometeorological Forecasting warns that August 22 is the peak of thunderstorms in the North, focusing on the Northwest and Viet Bac regions of moderate rain, heavy rain and thunderstorms with common rainfall from 40-90mm. There are places where the rain is very heavy, over 200mm (heavy rain concentrates in the evening to night and morning). From the afternoon of August 23, heavy rain in the Northwest and Viet Bac of the North is likely to gradually decrease.
Residents and tourists need to be careful of flooding in low-lying areas; Flash floods and landslides in mountainous areas, especially in places such as Lao Cai, Dien Bien, Lai Chau, Ha Giang, Tuyen Quang, Bac Kan, Yen Bai.
Meanwhile, the area from Nghe An to Ninh Thuan has hot weather, in some places it is extremely hot with the highest temperature commonly ranging from 35-37 degrees Celsius, in some places it is over 37 degrees Celsius; The lowest relative humidity is commonly 55-60%. Heat warning in the Central region is likely to continue in the coming days.

Hanoi
Lowest temperature: 24-26 degrees Celsius.
Highest temperature: 31-33 degrees Celsius.
Cloudy, rainy at night and in the morning, moderate rain and thunderstorms, locally with heavy rain. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.
Northwest
Lowest temperature: 22-25 degrees Celsius, in some places below 22 degrees Celsius.
Highest temperature: 29-32 degrees Celsius, in some places above 32 degrees Celsius.
Cloudy, with moderate rain, heavy rain and thunderstorms, locally with very heavy rain. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.
Northeast
Lowest temperature: 24-27 degrees Celsius.
Highest temperature: 30-33 degrees Celsius.
Cloudy, with showers and scattered thunderstorms, locally with heavy rain, especially in mountainous areas with moderate rain, heavy rain and thunderstorms, locally with very heavy rain. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.
Thanh Hoa - Thua Thien Hue
Lowest temperature: 26-29 degrees Celsius.
Highest temperature: 35-37 degrees Celsius, in some places above 37 degrees Celsius.
Cloudy, showers and thunderstorms in some places in the evening and night; Hot days, some places are extremely hot. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.
Da Nang to Binh Thuan
Lowest temperature: 25-28 degrees Celsius.
Highest temperature: 34-37 degrees Celsius, in some places above 37 degrees Celsius.
Cloudy, showers and thunderstorms in some places in the evening and night; Hot days, some places are extremely hot. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.
Central Highlands
Lowest temperature: 21-24 degrees Celsius.
Highest temperature: 29-32 degrees Celsius.
Cloudy, showers and thunderstorms in some places in the evening and night, sunny days. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.
Southern region
Lowest temperature: 25-28 degrees Celsius.
Highest temperature: 32-35 degrees Celsius.
Cloudy, showers and thunderstorms in some places in the evening and night, sunny days. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong winds.