The widespread heatwave in northern Vietnam concluded on 26/6 due to the onset of showers and thunderstorms influenced by a low-pressure trough. The National Center for Hydro-Meteorological Forecasting predicts that northern Vietnam will continue to experience widespread rain from now until 30/6, influenced by this low-pressure trough combined with humid southeast winds.

The heaviest rainfall is expected in mountainous and midland areas, with amounts typically ranging from 50-120 mm, and some locations receiving over 300 mm. The meteorological agency warns of a risk of intense rainfall, exceeding 100 mm in 3 hours, primarily occurring during the night and morning. Prolonged heavy rain could lead to flooding in low-lying areas, flash floods in small rivers and streams, and landslides in hilly regions.

Hanoi streets were congested during the morning rain on 26/6. Photo: *Ngoc Tuyet*

After 30/6, northern Vietnam will continue to experience thunderstorms during the night and morning, though the scope of the rain is expected to gradually narrow. Maximum temperatures will generally remain below 35 degrees C, with no signs of a widespread heatwave in early July.

Accuweather, a US-based weather website, forecasts temperatures in Hanoi to be 26-32 degrees C next week. High-altitude areas above 1,500 m, such as Sa Pa (Lao Cai), are expected to see temperatures of 18-24 degrees C.

In central Vietnam, the area from Thanh Hoa to Hue continues to be affected by a hot low-pressure zone from the west. From now until the end of 29/6, hot and intense heatwave conditions will persist, with maximum temperatures generally ranging from 35-38 degrees C, and some places exceeding 38 degrees.

Meanwhile, Da Nang and the eastern areas from Quang Ngai to Dak Lak will experience intense heatwaves, with temperatures typically between 35-37 degrees C, and some locations surpassing 37 degrees. The lowest daily humidity will generally be 50-60%.

The heatwave in the area from Thanh Hoa to Da Nang and the eastern provinces from Quang Ngai to Dak Lak is forecast to continue until the end of 30/6. From 1/7, the intensity of the heatwave will gradually decrease, and no widespread heatwave is expected during the period of 1-5/7.

In the Central Highlands and southern Vietnam, from 28/6-5/7, the Southwest monsoon will be quite active, bringing frequent showers and thunderstorms. The southern parts of the Central Highlands and southern Vietnam may experience moderate rain, with some areas seeing heavy rain accompanied by thunderstorms.

Thanks to the increased rainfall, maximum daily temperatures in the Central Highlands and southern Vietnam will generally remain below 35 degrees C, with no signs of a heatwave appearing next week.

>>Detailed 7-day temperature forecast

Gia Chinh