According to the National Center for Hydro-Meteorological Forecasting, today, December 12, the strong cold air mass in the north is moving south. The Northern region will have cloudy skies with scattered rain.
From tonight, the Northeast region, the West of Phu Tho province and the East of Son La province and the East of Lao Cai province will have moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain with common rainfall from 30-70mm, locally very heavy rain over 120mm.
In the afternoon and night of December 13, the North Central region will have moderate rain, heavy rain with common rainfall from 30-60mm, locally very heavy rain over 100mm. Warning of the risk of heavy rain (>100mm/3 hours).
The South Central Coast region of the North is cloudy, with scattered rain, showers and thunderstorms; the South is cloudy, with scattered showers and thunderstorms.
Other areas will have cloudy skies with rain in some places. People and tourists should be on guard against thunderstorms that can cause tornadoes, lightning, and strong gusts of wind.

Weather forecast for today, December 12:
City. Hanoi
Lowest temperature: 19-21 degrees Celsius.
Highest temperature: 24-26 degrees Celsius.
Cloudy, scattered rain.Light wind.Cold night.
Northwest
Lowest temperature: 15-18 degrees Celsius, some places below 14 degrees Celsius.
Highest temperature: 22-25 degrees Celsius, some places above 25 degrees Celsius.
Cloudy, scattered rain.Light wind.Cold at night and morning, some places are very cold.
Northeast
Lowest temperature: 18-21 degrees Celsius, mountainous areas below 15 degrees Celsius.
Highest temperature: 22-25 degrees Celsius, some places above 25 degrees Celsius.
Cloudy, scattered rain.Light wind.Cold at night and morning, some mountainous areas are very cold.
Thanh Hoa to Hue
Lowest temperature: 19-22 degrees Celsius.
Highest temperature: 22-25 degrees Celsius, some places above 25 degrees Celsius.
Cloudy; North has scattered rain; South has scattered rain, showers and thunderstorms.North to northwest wind level 2-3.During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
South Central Coast
Lowest temperature: 22-25 degrees Celsius.
Highest temperature: 28-31 degrees Celsius, some places above 31 degrees Celsius.
The North is cloudy, with rain, scattered showers and thunderstorms; the South is cloudy, with showers and thunderstorms in some places.Northeast wind level 2-3.During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Central Highlands
Lowest temperature: 18-21 degrees Celsius.
Highest temperature: 27-30 degrees Celsius.
Cloudy, with showers and thunderstorms in some places.Northeast wind level 2-3.During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Southern region
Lowest temperature: 23-26 degrees Celsius.
Highest temperature: 29-32 degrees Celsius.
Cloudy, with showers and thunderstorms in some places.Northeast wind level 2-3.During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Ho Chi Minh City
Lowest temperature: 24-26 degrees Celsius.
Highest temperature: 30-32 degrees Celsius.
Cloudy, with showers and thunderstorms in some places.Northeast wind level 2-3.During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.