The National Center for Hydro-Meteorological Forecasting updates the weather forecast for tonight and tomorrow (May 9) in regions across the country.
On May 8, this cold air mass will continue to affect other places in the North Central and Northwest regions. On land, Northeast wind level 2-3, coastal areas level 3. In the Northeast and Thanh Hoa regions, it will be cool. The lowest temperature in this cold air mass in the Northeast and Thanh Hoa regions is commonly from 21-24 degrees, in the Northern mountainous areas, there are places below 21 degrees.
The South of the Northern Delta and North Central regions will have rain, moderate rain and scattered thunderstorms with common rainfall of 15-30mm, locally heavy to very heavy rain over 70mm. In thunderstorms, there is a high possibility of tornadoes, lightning, hail and strong gusts of wind.
In the next 6 hours, there is a risk of flash floods, landslides, and subsidence on slopes and small streams in some areas of Lam Dong such as Bao Thuan, Cat Tien, Da Teh, Duc Linh, Dam Rong, Bao Loc and surrounding areas.
From the evening of May 8th to May 9th, in the Northwest region there will be scattered showers and thunderstorms with rainfall of 10-30mm, locally heavy rain over 50mm. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.

Rainstorms accompanied by extreme phenomena can affect agricultural production, causing trees to fall, houses and infrastructure works to be damaged. Localized heavy rains are likely to cause flash floods on small rivers and streams, landslides in hilly areas and flooding in low-lying areas. People and tourists need to closely monitor forecast bulletins, proactively prevent natural disasters to minimize damage. Seas waves affect the operation of ships and boats.
Weather forecast for the night of May 8th and day of May 9th nationwide
Hanoi City
Lowest temperature: 22-24 degrees C.
Highest temperature: 28-30 degrees C.
Cloudy, sometimes showers and thunderstorms.Northeast wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northwest
Lowest temperature: 21-24 degrees C, in some places below 21 degrees C.
Highest temperature: 26-29 degrees C.
Cloudy, scattered showers and thunderstorms, locally heavy rain.Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northeast
Lowest temperature: 21-24 degrees C, mountainous areas in some places below 21 degrees C.
Highest temperature: 27-30 degrees C.
Cloudy, showers and thunderstorms in some places.Northeast wind level 2-3, coastal areas level 3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Thanh Hoa to Hue
Lowest temperature: 23-26 degrees C.
Highest temperature: North 27-30 degrees C, South 31-33 degrees C.
Cloudy, showers and thunderstorms in some places, sunny skies in the afternoon.Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
South Central Coast
Lowest temperature: 24-27 degrees C.
Highest temperature: 32-35 degrees C, in some places above 35 degrees C.
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, hot in some places.Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Central Highlands
Lowest temperature: 20-23 degrees C, in some places below 20 degrees C.
Highest temperature: 31-34 degrees C, in some places above 35 degrees C.
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, hot in some places.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: 33-36 degrees C, especially in the East, some places above 36 degrees C.
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny day, hot sunny in some places, especially in the East with hot sun.Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Ho Chi Minh City
Lowest temperature: 26-28 degrees C.
Highest temperature: 34-36 degrees C.
Cloudy, showers and thunderstorms in some places in the evening and at night; hot sunny day.Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.