According to the new weather forecast from the Center for Hydro-Meteorological Forecasting, on June 21, the mountainous and midland areas of the North will have moderate rain, heavy rain, and some places will have very heavy rain.
Recorded from 7am to 3pm on the same day, many localities had heavy rainfall such as: Cuc Duong (Thai Nguyen) 131.2mm; Viet Yen (Bac Giang) 113.2mm; Tien Nguyen (Ha Giang) 106.8mm; Bac Ninh City (Bac Ninh) 101.4mm; Than Thuoc (Lai Chau) 95.6mm; Tan Tri (Lang Son) 94.4mm and Bao Ha (Lao Cai) 93.0mm.
It is forecasted that from the evening of June 21 to the end of June 22, the mountainous and midland areas of the North will continue to have moderate rain, heavy rain and thunderstorms, locally very heavy rain with a total common amount of 40-90mm, some places exceeding 200mm.
In particular, on the night of June 22, the provinces of Viet Bac and the Northwest will continue to have moderate rain, heavy rain, and some places will have very heavy rain, with common rainfall from 20-40mm, some places over 80mm. Warning of the possibility of heavy rain over 100mm in 3 hours.
Northern Delta on the night of June 21 and June 22, some places had heavy rain over 50mm.
The Southern Central Highlands and the South will have moderate rain, some places will have heavy rain to very heavy rain with rainfall from 20-40mm, some places will have over 80mm.
The Northern Central Highlands will have scattered showers and thunderstorms, some places will have heavy rain from 10-30mm, some places will have over 60mm. Rain will be concentrated in the afternoon and evening.
It is forecasted that from June 23, heavy rain in the mountainous and midland areas of the North will gradually decrease. However, thunderstorms still pose a risk of dangerous weather phenomena such as tornadoes, lightning, hail and strong gusts of wind.
People and tourists in localities forecasted to be affected by thunderstorms should be on guard against the possibility of flooding in low-lying areas, urban areas, industrial parks; at the same time, pay attention to the risk of flash floods and landslides in mountainous areas.

Weather forecast for tonight, June 21, and tomorrow, June 22 nationwide
Hanoi
The lowest temperature is 25-27 degrees Celsius, the highest is 30-33 degrees Celsius.
Cloudy weather, occasional showers and thunderstorms, locally heavy rain. Southeast to south wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Northwest
Temperature ranges from 23-26 degrees Celsius, mountainous areas below 23 degrees Celsius; highest from 29-32 degrees Celsius.
Cloudy, moderate rain, heavy rain and scattered thunderstorms, some places have very heavy rain. Light wind. Warning of the risk of tornadoes, lightning, hail and strong gusts of wind in thunderstorms.
Northeast
The lowest temperature is 24-27 degrees Celsius, the highest is 28-31 degrees Celsius, in the plains alone, there are places 31-34 degrees Celsius.
Cloudy weather, moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain; the plains have scattered showers and thunderstorms, locally heavy rain. Southeast to south wind level 2-3. During thunderstorms, beware of tornadoes, lightning, hail and strong gusts of wind.
Provinces from Thanh Hoa to Hue
Temperature ranges from 25-28 degrees Celsius, highest 32-35 degrees Celsius, some places above 35 degrees Celsius.
Sunny day, hot weather in some places; showers and thunderstorms in some places in the late afternoon and night. Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Area from Da Nang to Binh Thuan
The lowest temperature is 24-27 degrees Celsius, the highest is 32-35 degrees Celsius, some places are over 35 degrees Celsius.
Sunny during the day, some places are hot; showers and thunderstorms in some places in the late afternoon and night. Southwest wind level 2-3. tornado, lightning and strong gusts of wind warning during thunderstorms.
Central Highlands
The lowest temperature is 20-23 degrees Celsius, the highest is 28-31 degrees Celsius.
Cloudy weather, scattered showers and thunderstorms; In the late afternoon and evening, there will be scattered showers and thunderstorms, with some places having heavy to very heavy rain. Southwest wind level 2-3. During thunderstorms, tornadoes, lightning and strong gusts of wind may occur.
Southern region
Temperature ranges from 23-26 degrees Celsius, highest from 30-33 degrees Celsius.
Cloudy, with showers and thunderstorms in some places during the day; showers and scattered thunderstorms in the late afternoon and evening, with some places having heavy to very heavy rain. Southwest wind level 2-3. Beware of tornadoes, lightning and strong gusts of wind during thunderstorms.