Northern Vietnam will experience thunderstorms in the late afternoon and evening.

Today (May 29th), Northern Vietnam will experience scattered rain, with showers and thunderstorms in the evening and night, and locally heavy rain in some areas. Southeast winds will be at level 2-3. The highest temperature during the day will generally be around 32-34 degrees Celsius.

Source: https://hanoimoi.vn/bac-bo-co-mua-dong-ve-chieu-toi-va-dem-976041.html