According to the National Center for Hydro-Meteorological Forecasting, from May 11, the cold air will weaken, and thunderstorms will decrease rapidly in the Northern and North Central regions.
The area from Da Nang to Binh Thuan will have rain in some places at night, sunny days, and scattered showers in the evening, with thunderstorms in some places.
The Central Highlands and the South will have rain, moderate rain and scattered thunderstorms, locally heavy rain (rain concentrated in the late afternoon and evening).
People and tourists should note that thunderstorms are likely to cause tornadoes, lightning, hail and strong gusts of wind.

The Hanoi area is cloudy, with rain in some places during the day. The wind changes to northeast level 2-3. The lowest temperature is from 20-22 degrees Celsius, the highest is from 25-27 degrees Celsius.
From May 12-13, the sky will be cloudy, thunderstorms will end, the temperature will increase to the highest level of 29-30 degrees Celsius. However, from 14-17, Hanoi will continue to have showers and thunderstorms in many places, with air humidity from 80-86%.
From May 18-20, the sky will be cloudy, no rain, the temperature will increase from 32-33 degrees Celsius.
It is forecasted that from May 12-20, the Northern and North Central regions will have scattered showers and thunderstorms in the evening and at night, and sunny days. From May 14-17, there will be scattered showers and thunderstorms, mainly concentrated in the late afternoon and night.
The area from Quang Binh to Hue will have scattered showers and thunderstorms in the evening and at night, and sunny days. The area from Da Nang to Binh Thuan will have scattered showers and thunderstorms in the evening and evening of May 12-13, locally heavy rain; from May 14 there will be showers and thunderstorms in some places, sunny days.
The Central Highlands and the South will have rain, moderate rain and scattered thunderstorms on the night of May 12-13, with some places having heavy rain. From May 14, there will be scattered showers and thunderstorms in some places, with scattered showers and thunderstorms in the late afternoon and evening. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.