According to the National Center for Hydro-Meteorological Forecasting, the weather forecast for today, May 21, the Northern region is sunny, some places are hot; there are showers and thunderstorms at night, especially in the plains with scattered showers and heavy rain. The highest temperature is from 32-35 degrees Celsius, some places above 36 degrees Celsius.
Hanoi weather forecast is cloudy, with showers and thunderstorms in some places in the evening and at night; sunny during the day, some places are hot. The highest temperature is 33-35 degrees Celsius, some places are over 35 degrees Celsius.
The Central region will have hot weather, from Thanh Hoa to Phu Yen there will be severe heat; in the late afternoon and at night there will be scattered showers and thunderstorms, especially in the South Central region. The highest temperature is from 33-37 degrees Celsius, some places above 37 degrees Celsius.
The Southern region is forecast to have cloudy weather, sunny days; This evening there will be rain, moderate rain and scattered thunderstorms, locally heavy rain.
People and tourists need to be on guard during thunderstorms with the possibility of tornadoes, lightning, hail and strong gusts of wind.

Weather forecast for today in Hanoi
Lowest temperature: 26-28°C
Highest temperature: 33-35°C, some places above 35°C
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, some places are hot. Light wind.
Weather forecast for today in the Northwest region
Lowest temperature: 23-26°C, some places below 23°C
Highest temperature: 32-35°C, some places above 36°C
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, some places are hot. Light wind.
Weather forecast for today in the Northeast region
Lowest temperature: 24-27°C, mountainous areas below 23°C
Highest temperature: 32-35°C, some places above 35°C
Cloudy, showers and thunderstorms in some places in the evening and at night; scattered showers and thunderstorms in the plains tonight, locally heavy rain; sunny day, hot sunshine in some places. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Weather forecast for today in the area from Thanh Hoa to Hue
Lowest temperature: 25-28°C
Highest temperature: 34-37°C, some places above 37°C
Cloudy, showers and thunderstorms in some places in the evening and at night; hot sunny during the day, some places are very hot. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Weather forecast for today in the area from Da Nang to Binh Thuan
Lowest temperature: 25-28°C
Highest temperature: 33-36°C, some places in the North above 37°C
Cloudy. In the North, there will be showers and thunderstorms in some places in the evening and at night; hot sunny days, some places will be very hot. In the South, there will be showers and thunderstorms at night in some places; sunny days, some places will be hot; This evening, there will be scattered showers and thunderstorms. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Weather forecast for today in the Central Highlands
Lowest temperature: 21-24°C
Highest temperature: 29-32°C
Cloudy. At night, there will be scattered showers and thunderstorms, locally heavy rain; at night, there will be scattered showers and thunderstorms; sunny during the day. This evening, there will be rain, moderate rain and scattered thunderstorms, with some places having heavy rain. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Weather forecast for today in the Southern region
Lowest temperature: 24-27°C
Highest temperature: 31-34°C, some places above 34°C
Cloudy, sunny day; This evening there will be rain, moderate rain and scattered thunderstorms, locally heavy rain. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.