The National Center for Hydro-Meteorological Forecasting warns that on September 5, the Northern and North Central regions will be hot and sunny during the day, with scattered showers and thunderstorms in the evening and at night.
According to the Southern Hydrometeorological Station, due to the tropical convergence zone with an axis through the Central region connecting with storm No. 3, the southwest monsoon is operating at medium to strong intensity, so tonight, thunderstorms continue to develop, causing showers, accompanied by thunderstorms and lightning.
Rainfall is generally 5-10mm, some places over 20mm. During thunderstorms, beware of tornadoes, hail and strong gusts of wind around level 5-7 (8-17m/s). Beware of the risk of flooding in areas with poor drainage capacity.
On September 5, the Central Highlands and the South will have scattered showers and thunderstorms, with some places experiencing heavy to very heavy rain with rainfall ranging from 15-30mm, and some places experiencing over 70mm. The area from Da Nang to Binh Thuan will have scattered showers and thunderstorms, with some places experiencing heavy rain with rainfall ranging from 10-30mm, and some places experiencing over 60mm.
In the Central region, there will be scattered showers and thunderstorms in the late afternoon and at night; during the day, it will be sunny, with some places being hot; in the South Central region, there will be scattered showers and thunderstorms in the afternoon and evening of September 5, with some places having heavy rain.

Hanoi
Lowest temperature from: 26-28 degrees Celsius.
Highest temperature from: 34-36 degrees Celsius.
Cloudy, with showers and thunderstorms in the late afternoon and at night, and sunny and hot during the day. Light winds. Thunderstorms may cause tornadoes, lightning, and strong gusts of wind.
Northwest
Lowest temperature from: 24-27 degrees Celsius, some places below 23 degrees Celsius.
Highest temperature from: 33-36 degrees Celsius.
Cloudy, with showers and thunderstorms in the late afternoon and at night, and sunny and hot during the day. Light winds. Thunderstorms may cause tornadoes, lightning, and strong gusts of wind.
Northeast
Lowest temperature from: 25-28 degrees Celsius.
Highest temperature from: 33-36 degrees Celsius.
Cloudy, with showers and thunderstorms in the late afternoon and at night, and sunny and hot during the day. Light winds. Thunderstorms may cause tornadoes, lightning, and strong gusts of wind.
Thanh Hoa - Thua Thien Hue
Lowest temperature from: 25-28 degrees Celsius.
Highest temperature from: 33-36 degrees Celsius, some places above 36 degrees Celsius.
Cloudy, with scattered showers and thunderstorms in the late afternoon and evening; hot and sunny during the day. Light winds. Thunderstorms may produce tornadoes, lightning, and strong gusts of wind.
Da Nang to Binh Thuan
Lowest temperature from: 25-28 degrees Celsius.
Highest temperature from: 32-35 degrees Celsius.
Cloudy, scattered showers and thunderstorms in the late afternoon and evening, locally heavy rain; sunny during the day, hot in some places. Southwest wind level 2-3. Thunderstorms may cause tornadoes, lightning and strong gusts of wind.
Central Highlands
Lowest temperature from: 21-24 degrees Celsius.
Highest temperature from: 26-29 degrees Celsius, some places above 29 degrees Celsius.
Cloudy, scattered showers and thunderstorms; scattered showers and thunderstorms in the afternoon and evening, locally heavy rain. Southwest wind level 3. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind.
Southern Vietnam
Lowest temperature from: 23-26 degrees Celsius.
Highest temperature from: 28-31 degrees Celsius, some places above 31 degrees Celsius.
Cloudy, scattered showers and thunderstorms; scattered showers and thunderstorms in the afternoon and evening, locally heavy rain. Southwest wind level 3. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind.