Weather forecast for the next 24 to 48 hours
The National Center for Hydro-Meteorological Forecasting said that the Northern region and Thanh Hoa will have less rain from May 19.

The Northern region and Thanh Hoa on the night of May 18 will have moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain, then scattered showers and thunderstorms; from May 20, there will be showers and thunderstorms in some places.
The North Central and Central Central regions will have sunny days, some places will have hot weather, and on May 20, there will be widespread hot weather. In the evening and at night, there will be showers and thunderstorms in some places, especially in Nghe An on the night of May 18, there will be moderate rain, heavy rain and thunderstorms, locally very heavy rain in some places.
Other areas will have showers and thunderstorms in some places in the evening and at night, especially the Central Highlands and the South on the evening of May 20 will have scattered showers and thunderstorms in some places; sunny day.
Weather forecast from the night of May 20 to May 28
The National Center for Hydro-Meteorological Forecasting has made a statement on notable weather trends in some areas from the night of May 20 to May 28.

The Northern region and Thanh Hoa on May 22 will have scattered showers and thunderstorms. From around the night of May 22 to 25, the North and Thanh Hoa will have moderate rain, heavy rain and scattered thunderstorms, locally very heavy. From May 26, these areas will have scattered showers and thunderstorms.
The North Central region will have scattered showers and thunderstorms, from around 21 to 22 May, there is a possibility of widespread hot weather. In the late afternoon and night from May 22 to 28, the North Central region will have scattered showers and thunderstorms in some places.
The Central Central and South Central regions will have sunny days, some places will be hot, especially from around 21 to 22 May, the north is likely to have widespread heat; in the late afternoon and evening, there will be showers and thunderstorms in some places. From May 22 to 24, the South Central region will have scattered showers and thunderstorms. The rain will be concentrated in the late afternoon and evening.
The Central Highlands and the South will have scattered showers and thunderstorms in some places, especially in the late afternoon and evening, there will be scattered showers and thunderstorms, locally heavy rain in some places.
The meteorological agency warns that thunderstorms may cause tornadoes, lightning, hail, and strong gusts of wind.