The northern region has experienced a hot spell over the past week, with temperatures rising to between 33 and 36 degrees Celsius, with some places even seeing highs of over 36 degrees Celsius.
A heavy shower and thunderstorm is predicted to hit the northern region from the evening of July 31, with this weather pattern lasting until August 5.
As part of its latest update, the National Centre for Hydro-Meteorological Forecasting said that thunderstorms, whirlwinds, and lightning could strike during the period of heavy rain.
The weather forecast authorities also warned of the risk of floods and landslides hitting northern mountainous localities, including Ha Giang, Tuyen Quang, and Lao Cai.
Temperatures in Hanoi on July 31 hit highs of 37 degrees Celsius, with the capital forecast to start cooling down from August 1 as it will experience heavy rain and thunderstorms.
Indeed, rainfall is due to reach between 50mm and 150mm, with some places even recording rainfall of over 200mm throughout a 24-hour period.