The National Center for Hydro-Meteorological Forecasting updates the weather forecast for tonight and tomorrow (May 16) in regions across the country.
In the next 6 hours, many areas in Da Nang City and Khanh Hoa province are at risk of flash floods on small rivers and streams along with landslides and subsidence in steep slopes.
Risk areas in Da Nang City: Ba Na, Ben Giang, Ben Hien, Dong Giang, Hiep Duc, Nam Giang, Hai Van Ward, Phu Thuan, Que Phuoc, Song Vang, Tam My, Tay Giang, Thanh Binh, Thuong Duc, Tien Phuoc, Tra Lien and Tra My.
Risk areas in Khanh Hoa: Tay Khanh Son, Bac Ai Tay, Bac Ninh Hoa, Hoa Tri, Nam Khanh Vinh, Tan Dinh, Tay Khanh Vinh, Tay Ninh Hoa, Trung Khanh Vinh, Van Ninh and Van Thang.
People and tourists in the above areas need to proactively monitor weather developments, limit moving through hilly areas, spillways, and small streams during heavy rain to ensure safety.
From the night of May 17, the weather in many areas across the country changed when thunderstorms increased again, locally heavy to very heavy rain appeared.
The Northern region from the night of May 17-22 is forecast to have scattered showers and thunderstorms, with locally heavy to very heavy rain.
Notably, in the period from May 19-21, the Northwest and Viet Bac regions are likely to experience moderate to heavy rain with thunderstorms, and some places may experience very heavy rain. People need to be wary of the risk of flooding in low-lying areas, flash floods and landslides in mountainous areas.

In the area from Thanh Hoa to Da Nang City and the east of provinces from Quang Ngai to Dak Lak, from the night of May 17-20, there will be scattered showers and thunderstorms, rain mainly concentrated in the afternoon and evening.
The South and Central Highlands continue to maintain weather patterns with showers and thunderstorms in some places. Especially in the late afternoon and evening, there may be scattered showers and thunderstorms in some places.
The meteorological agency notes that during thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind, affecting people's lives and traffic. People need to proactively monitor weather forecasts to have timely preventive measures.
Weather forecast tonight May 15 and tomorrow May 16 nationwide
Hanoi City
Lowest temperature: 27-29 degrees C.
Highest temperature: 34-36 degrees C.
Cloudy, no rain at night; hot sunny day, scattered showers and thunderstorms in the late afternoon and evening tomorrow.South wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Northwest
Lowest temperature: 24-27 degrees C, in some places below 23 degrees C.
Highest temperature: 32-35 degrees C, in some places above 35 degrees C.
Cloudy, showers and scattered thunderstorms 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.
Northeast
Lowest temperature: 26-29 degrees C, mountainous areas in some places below 25 degrees C.
Highest temperature: 32-35 degrees C, in some places above 35 degrees C; especially in the delta area 35-36 degrees C, in some places above 36 degrees C.
Cloudy, showers and thunderstorms in some places at night; especially in mountainous areas, showers and scattered thunderstorms, locally heavy rain. Sunny day, hot sun in some places; especially in the delta region, hot sun. Tomorrow afternoon and evening, showers and scattered thunderstorms, locally heavy rain. South 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: 27-30 degrees C.
Highest temperature: 34-37 degrees C, in some places above 37 degrees C.
Cloudy, showers and thunderstorms in some places in the evening and at night; hot sunny day, intense hot sun in some places.Southwest wind level 2-3.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
South Central Coast
Lowest temperature: 26-29 degrees C.
Highest temperature: North 34-37 degrees C, in some places above 37 degrees C; South 33-35 degrees C, in some places above 35 degrees C.
Cloudy, showers and thunderstorms in some places at night; sunny during the day, hot in some places, especially in the North with hot sun and intense heat. Tomorrow evening there will be scattered showers and thunderstorms, locally heavy rain. Southwest 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: 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.
Southern region
Lowest temperature: 25-28 degrees C.
Highest temperature: 33-36 degrees C, the East has places above 36 degrees C.
Cloudy, showers and thunderstorms in some places at night; sunny day, hot in some places, especially the East has hot sunshine.Tomorrow afternoon and evening there will be scattered showers and thunderstorms, locally heavy rain.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 at night; hot sunny day.Scattered showers and thunderstorms in the late afternoon and evening tomorrow, locally heavy rain.Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.