The cold weather is expected to cover over the northern, the north- central and the mid- central provinces.
Because of its influence, small- heavy rain and cold air will hit the areas.
The mid- central region needs to prevent appearance of hail and powerful wind on March 20.
Temperature in the northern and north- central region is warned to drop down at 16- 19 degrees Celsius, at 12- 15 degrees Celsius in the mountainous area.
Currently, Ho Chi Minh City and the southern region experience an extreme heat wave with the highest temperature of 34- 35 degrees Celsius. In next couple days, daytime temperature is expected to reduce slightly.
By this weekend, hot weather is forecast returning the Ho Chi Minh City and the southern region.
