According to the latest rain forecast from the National Center for Hydro-Meteorological Forecasting, on the afternoon of June 30, thunderstorms in the Chuong My area caused showers and may have thunderstorms in Ha Dong district, then the cloud area will expand to other inner-city areas of Hanoi city center such as Nam Tu Liem district, Thanh Xuan...
The inner city of Hanoi and neighboring areas will continue to have heavy rain with common rainfall ranging from 20-50mm, some places over 70mm.
This rain is likely to cause flooding for many streets with a common depth of 15-20cm; some streets are likely to be flooded deeper with a depth of 20-40cm.
During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.

Hanoi weather forecast for today, June 30
From 6pm to 7pm, it will be cloudy, with temperatures ranging from 28 degrees Celsius, humidity around 85%, and a chance of rain at 49%.
From 8pm to 11pm, the rain tends to increase significantly. From 8pm, the rain will start to appear with a probability of 79%, the rainfall will reach about 4.3mm, the humidity will be over 90%, the sky will be cloudy, the visibility will decrease to 6km. The rain will last continuously until 11pm with a probability of maintained rainfall of 70-79%.
The temperature during this time ranges from 26-27 degrees Celsius, feeling hot due to high humidity.
Hanoi weather forecast for tomorrow, July 1
On July 1, Hanoi is forecast to have many hours of rain, lasting from tonight to the next day, with the highest possibility of rain in the morning and evening.
From 1am to 4am: Rain will appear continuously with a probability of 59% to 79%, high humidity of about 94-95%. Cloudy weather, stable temperature at 26 degrees Celsius, feeling congested due to high humidity.
From 7am to 12pm: The rain continues to be strong with the highest probability of the day, up to 85%. Temperature will gradually increase from 26 to 30 degrees Celsius. This is a period of prolonged and continuous rain, with humidity remaining over 90%.
From 2pm to 5pm: Rain returns in the early afternoon with a probability of 62%-71%, concentrated from 2pm to 4pm. The weather is still cloudy, with high humidity, and the temperature has dropped slightly to about 28-29 degrees Celsius.
From 7pm to 8pm: Scattered rain continues to appear, probability of rain is 71-75%, humidity is up to 97%, prolonged moisture.
Some times when the rain stops, such as 0:00, 05:00 - 6:00 am, 8:00 - 9:00 am, 13:00 and 17:00 - 18:00 pm, but the thick clouds and humidity are still very high, creating an uncomfortable feeling of grit.
People and tourists should limit outdoor travel during heavy rains, beware of the risk of tornadoes, lightning, strong gusts of wind; and prepare measures to protect property and replace travel directions when local flooding occurs in low-lying areas.