According to the National Center for Hydro-Meteorological Forecasting, on April 18-19, the area from Nghe An to Phu Yen will have hot weather, some places will have severe heat with the highest temperature of 35-37°C, some places will be over 37°C; humidity 50-55%.
On April 18, the North and Southeast regions will have localized heat above 35°C.
Hanoi weather recorded the highest temperature of 34°C on April 18. According to Google Weather, the temperature felt was up to 41°C.
On April 19, the North, Thanh Hoa and Southeast regions will have widespread hot weather, 35-36°C, some places above 36°C; humidity 55-60%.

Hanoi weather forecast from April 19 to April 22, the highest temperature is about 36-38°C. The humidity is about 55-66%.
The hot weather will continue until the middle of next week, before changing to rain due to the strengthening of cold air from about April 23 to April 27, before the April 30 holiday.
The meteorological agency warns that the hot weather will be widespread in the North and from Thanh Hoa to Phu Yen, which may last until April 22. The heat wave in the South may continue for many days to come.
The actual outdoor temperature may be 2-4°C higher than the forecast, especially in concrete and asphalt areas. Therefore, the actual temperature may exceed 40°C in some areas, especially from 10am to 4pm.
People and tourists need to proactively take measures to ensure health, avoid the sun, and guard against the risk of dehydration, exhaustion, and stroke due to heat stroke when exposed to high temperatures for a long time.