According to the National Center for Hydro-Meteorological Forecasting, around tonight, April 22, this cold air mass will affect the Northeast region, then affect some places in the Northwest and North Central regions. On land, the wind will turn Northeast at level 2-3, coastal areas at level 3-4.
The Northern region is cloudy, with showers and thunderstorms in some places; sunny skies with reduced clouds in the afternoon. Southeast to south wind level 2-3. Highest temperature: 30-36 degrees C, in some places above 36 degrees C.
The area from Thanh Hoa to Hue and the South Central Coast will be cloudy, with showers and thunderstorms in some places in the evening and at night; hot sunny days, especially in the North with hot sun and intense heat. Highest temperature 33-36 degrees C; in the North, some places above 37 degrees C.
Other areas will be cloudy, with showers and thunderstorms in some places in the evening and at night; sunny during the day, with hot sun in some places. Light wind.
People and tourists should be wary of tornadoes, lightning, hail and strong gusts of wind in thunderstorms. Should bring umbrellas and raincoats when going out to prevent sudden weather changes.

Weather forecast today April 22nd nationwide:
Hanoi City
Lowest temperature: 25-27 degrees C Highest temperature: 31-33 degrees C Cloudy, with showers and thunderstorms in some places; sunny skies with reduced clouds in the afternoon.
East to southeast wind level 2-3.
Northwest
Lowest temperature: 22-25 degrees C, in some places below 22 degrees C Highest temperature: 29-32 degrees C; especially the Northwest 33-36 degrees C, in some places above 36 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.
Northeast
Lowest temperature: 23-26 degrees C, mountainous areas in some places below 23 degrees C Highest temperature: 30-33 degrees C, in some places above 33 degrees C Cloudy, showers and thunderstorms in some places; sunny skies in the afternoon.
Southeast to 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: 24-27 degrees C Highest temperature: 33-36 degrees C; the North has places above 37 degrees C Cloudy, showers and thunderstorms in some places in the evening and at night; hot sunny day, especially the North has hot sun and intense heat.
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: 23-26 degrees C Highest temperature: 31-34 degrees C, in some places above 34 degrees C Cloudy, showers and thunderstorms in some places in the evening and at night; hot sunny day.
East 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: 20-23 degrees C Highest temperature: 29-32 degrees C Cloudy, showers and thunderstorms in some places in the evening and at night; sunny day, hot sunny in some places; especially the North has hot sun.
Light wind.In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Southern region
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.
Ho Chi Minh City
Lowest temperature: 25-27 degrees C Highest temperature: 31-33 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.