The National Center for Hydro-Meteorological Forecasting updates the weather forecast for tonight and tomorrow (April 18) in regions across the country.
In the late afternoon and evening of April 17, the weather in many areas across the country diễn biến phức tạp, tiềm ẩn the risk of extreme phenomena occurring.
In the Northeast region, it is forecast to have moderate rain, heavy rain with thunderstorms, rainfall in some places exceeding 30mm. Meanwhile, the North Central region has scattered showers and thunderstorms, commonly from 15-30mm, locally heavy rain over 60mm.
The Central Highlands region also recorded scattered showers and thunderstorms with rainfall from 10-20mm, in some places over 50mm.

Accompanying thunderstorms is the risk of dangerous weather phenomena such as tornadoes, lightning, hail and strong gusts of wind. In addition, people and tourists need to be wary of the possibility of flash floods on small rivers and streams; landslides in hilly areas and flooding in low-lying areas.
Dangerous weather developments can affect agricultural production, causing trees to fall, damage to houses, traffic works and infrastructure.
People and tourists proactively monitor weather forecasts and warnings; and at the same time implement preventive measures to minimize damage caused by natural disasters.
At sea, the area north of the Gulf of Tonkin is currently experiencing showers and thunderstorms. It is forecasted that in the late afternoon and evening of the same day, this sea area will continue to have scattered thunderstorms. During the thunderstorm, there is a possibility of tornadoes, strong gusts of wind at level 6-7, and sea waves over 2m high.
Ships operating in the area are warned to be at high risk of being affected by tornadoes and strong gusts of wind, requiring special attention to ensure safety.
Weather forecast for tonight April 17 and tomorrow April 18 nationwide
Hanoi City
Lowest temperature: 23-25 degrees C Highest temperature: 27-29 degrees C Cloudy, sometimes showers and thunderstorms, locally heavy rain.
Southeast wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northwest
Lowest temperature: 22-25 degrees C, in some places below 21 degrees C Highest temperature: 28-31 degrees C, especially the Northwest region in some places above 32 degrees C Cloudy, showers and thunderstorms in some places.
Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northeast
Lowest temperature: 22-25 degrees C, in some places below 21 degrees C Highest temperature: 26-29 degrees C Cloudy, rain, moderate rain and scattered thunderstorms during the day, locally heavy rain; showers and scattered thunderstorms at night.
Southeast wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Thanh Hoa to Hue
Lowest temperature: 22-25 degrees C Highest temperature: North 28-31 degrees C; South 32-35 degrees C North cloudy, afternoon and night with rain, moderate rain and scattered thunderstorms; South cloudy, sunny day, evening and night with showers and thunderstorms in some places.
Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
South Central Coast
Lowest temperature: 23-26 degrees C Highest temperature: 31-34 degrees C, in the North some places above 34 degrees C Cloudy, sunny day, showers and thunderstorms in some places in the evening and at night.
Southeast wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Central Highlands
Lowest temperature: 19-22 degrees C Highest temperature: 30-33 degrees C, in some places above 34 degrees C Cloudy, sunny day, showers and scattered thunderstorms in the late afternoon and evening, locally heavy rain; showers and thunderstorms in some places at night.
Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Southern region
Lowest temperature: 25-28 degrees C Highest temperature: 32-35 degrees C, in some places above 35 degrees C Cloudy, sunny during the day, hot in some places, showers and thunderstorms in some places in the evening and at night.
Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Ho Chi Minh City
Lowest temperature: 25-27 degrees C Highest temperature: 33-35 degrees C, in some places above 35 degrees C Cloudy, sunny during the day, hot in some places, showers and thunderstorms in some places in the evening and at night.
Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.