Weather forecast for the next 24 to 48 hours
The National Center for Hydro-Meteorological Forecasting said that in the next 24 to 48 hours, many areas will have showers and thunderstorms.

The Northern region and Thanh Hoa on the night of May 16 and May 17, are forecast to have showers and scattered thunderstorms, especially in the Northwest region, there will be rain, moderate rain and thunderstorms, locally heavy to very heavy rain. Rain will be concentrated in the evening, night and morning.
On the night of May 17 and May 18, the North and Thanh Hoa will have moderate rain, heavy rain and thunderstorms, locally very heavy rain.
The Central region will have showers and thunderstorms in some places in the evening and at night, sunny during the day, and hot in some places.
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 in some places.
The meteorological agency warns that thunderstorms may cause tornadoes, lightning, hail, and strong gusts of wind.
Weather forecast from the night of May 18 to May 26
The National Center for Hydro-Meteorological Forecasting has made a statement on notable weather trends in some areas from the night of May 18 to May 26.

The Northern region and Thanh Hoa on the night of May 18 will have moderate rain, heavy rain and thunderstorms, locally very heavy rain, from May 19, the rain will gradually decrease. From about May 22 to 26, the North and Thanh Hoa will have rain, moderate rain and thunderstorms, locally heavy to very heavy rain.
The North Central region will have scattered showers and thunderstorms, from around 20 - 21 May there is a possibility of widespread hot weather. Around May 22 - 25, the North Central region will have scattered showers and thunderstorms in some places.
The Central Central and South Central regions will have showers and thunderstorms in some places in the evening and at night, sunny days, and hot weather in some places. From around May 20 to 21, the north is likely to have widespread hot weather.
The Central Highlands and the South will have scattered showers and thunderstorms; from around May 20 to May 26, it is forecasted that there will be scattered showers and thunderstorms in the late afternoon and evening.
The meteorological agency warns that thunderstorms may cause tornadoes, lightning, hail, and strong gusts of wind.