According to the National Centre for Hydro-meteorological Forecasting, some mountainous areas in the north have been witnessing rain since July 2. Rain would expand to the whole region from Tuesday afternoon.
The northern region of Vietnam has been forecasted to see a widespread rainy front.
The highest rainfall in the region would reach over 150mm.
On July 4-5, Hanoi would experience rain, focusing on the evenings with the highest temperature of 35 degrees centigrade.
The National Centre for Hydro-meteorological Forecasting has warned of flash floods and landslides in low areas.
The rainy weather would end in the northern region on July 6.
