The National Center for Hydro-Meteorological Forecasting updates the weather forecast for tonight and tomorrow (May 20) in regions across the country.
According to forecasts, from the night of May 19 to May 21, the Northeast region, Thanh Hoa and Nghe An will have moderate rain, heavy rain and thunderstorms, with locally very heavy rain.
The Northwest region will experience scattered showers and thunderstorms, with locally heavy to very heavy rain. Meanwhile, the Central Highlands and Southern regions will continue to have showers and thunderstorms in the afternoon and night, and some places may experience locally heavy rain.
Other areas across the country will have scattered showers and thunderstorms in the late afternoon and night, with locally heavy rain; showers and thunderstorms in some places during the day.
The meteorological agency warns that in thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind, people need to proactively take measures to prevent the risk of natural disasters.
From the night of May 21 to May 29, the Northern region, Thanh Hoa and Nghe An maintained a pattern of showers and thunderstorms in some places; especially the Northwest region on the night of May 21 also experienced scattered showers and thunderstorms. Notably, from about May 23-26, this area is likely to experience widespread heat waves.

In the area from Ha Tinh to Da Nang City and the east of provinces from Quang Ngai to Dak Lak, widespread heat may appear between May 23-27.
For other areas, on the night of May 21, there will also be scattered showers and thunderstorms, locally heavy to very heavy rain, then the rain tends to gradually decrease. During thunderstorms, the risk of tornadoes, lightning, hail and strong gusts of wind is still high.
Weather forecast for the evening of May 19 and tomorrow May 20 nationwide
Hanoi City
Lowest temperature: 25-27 degrees C.
Highest temperature: 30-32 degrees C.
Cloudy, with moderate rain and thunderstorms, locally heavy to very heavy rain.Southeast wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Northwest
Lowest temperature: 24-27 degrees C, in some places below 23 degrees C.
Highest temperature: 31-34 degrees C.
Cloudy, scattered showers and thunderstorms, locally heavy to very heavy rain.Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northeast
Lowest temperature: 24-27 degrees C, mountainous areas in some places below 23 degrees C.
Highest temperature: 29-32 degrees C, in some places above 32 degrees C.
Cloudy, with moderate rain, heavy rain and thunderstorms, locally heavy to very heavy rain.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: 25-28 degrees C.
Highest temperature: 31-34 degrees C.
The North is cloudy, with moderate to heavy rain and thunderstorms, locally heavy to very heavy rain; the South is cloudy, showers and scattered thunderstorms in the evening and at night, locally heavy rain, showers and thunderstorms in some places during the day.South to southeast wind level 2-3.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: 31-34 degrees C.
Cloudy, showers and scattered thunderstorms in the evening and at night, locally heavy rain; showers and thunderstorms in some places during the day.South to southeast wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Central Highlands
Lowest temperature: 21-24 degrees C.
Highest temperature: 29-32 degrees C, in some places above 32 degrees C.
Cloudy, showers and scattered thunderstorms in the afternoon and night, locally heavy to very heavy rain.Southwest to west wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Southern region
Lowest temperature: 25-28 degrees C, in some places below 25 degrees C.
Highest temperature: 31-34 degrees C, in some places above 34 degrees C.
Cloudy, showers and scattered thunderstorms in the afternoon and night, locally heavy to very heavy rain.Southwest wind level 2-3.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: 31-33 degrees C.
Cloudy, sometimes showers and thunderstorms, locally heavy to very heavy rain.Southwest wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.