According to the National Center for Hydro-Meteorological Forecasting, from the night of March 18, the Northwest will have scattered showers and thunderstorms.
The Northeast and Thanh Hoa, Nghe An will have rain in some places, sunny in the afternoon. Cold weather, some places in high mountains are very cold, very cold.
Weather forecast for the area from Ha Tinh to Khanh Hoa has scattered showers and thunderstorms. Cold in the North.
In the South, there are places with hot weather, rain in the afternoon and evening, and showers and thunderstorms.

Weather forecast for tomorrow, December 19:
Hanoi weather
Lowest temperature: 15-17 degrees Celsius Highest temperature: 21-23 degrees Celsius.
Cloudy, no rain, sunny in the afternoon. Northeast wind level 2-3. Cold weather.
Northwest
Lowest temperature: 13-16 degrees Celsius, some places below 10 degrees Celsius.
Highest temperature: 18-21 degrees Celsius; some places above 21 degrees Celsius.
Cloudy, with showers and thunderstorms in some places. Light wind. Cold, some places are very cold, very cold.
Northeast
Lowest temperature: 14-17 degrees Celsius, high mountainous areas below 10 degrees Celsius.
Highest temperature: 20-23 degrees Celsius, high mountainous areas below 17 degrees Celsius.
Cloudy, with rain in some places, sunny in the afternoon. Northeast wind level 2-3, coastal areas level 3-4. Cold weather, mountainous areas have severe cold.
Thanh Hoa to Hue
Lowest temperature: 15-18 degrees Celsius.
Highest temperature: 19-22 degrees Celsius.
Cloudy, some rain in the North; scattered rain and showers in the South. North to northwest wind level 3-4. Cold weather.
Da Nang to Binh Thuan
Lowest temperature: 20-23 degrees Celsius; South 23-25 degrees Celsius.
Highest temperature: North 23-26 degrees Celsius, South 28-31 degrees Celsius.
The North is cloudy, with rain, showers and thunderstorms in some places; the South is cloudy, with showers at night and sunny during the day.
Northeast wind level 3-4, coastal areas have gusts of level 6. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Central Highlands
Lowest temperature: 18-21 degrees Celsius Highest temperature: 27-30 degrees Celsius.
Cloudy, showers and thunderstorms in some places in the evening and at night, sunny during the day. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Southern region
Lowest temperature: 23-26 degrees Celsius Highest temperature: 31-34 degrees Celsius, some places above 35 degrees Celsius.
Cloudy, showers and thunderstorms in some places in the evening and at night; sunny during the day, some places are hot. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.