In places in the lowlands and hollows it will be almost quiet and there will be fog in the morning hours. The minimum temperatures will be between minus 3°C and 2°C, in Sofia - around minus 3°C, and the maximum - from 3-4°C in the plains and valleys with quiet and foggy weather, up to 13-14°C in places in South-Eastern Bulgaria and the Central Pre-Balkan, in Sofia - about 5°C.
The worst cold of the season will hit those parts of Europe, bringing a powerful winter storm that will hit the Balkan Peninsula the most, with huge amounts of snow from Romania to Ukraine.
This cold wave is forecast to move towards eastern and central Europe by Saturday and Sunday, spreading further south across the Balkan Peninsula on Sunday and early next week.
A low pressure system from the northwest accompanied by a cold front will bring adverse weather conditions over the weekend, with gale force winds throughout the country accompanied by heavy rain and storms in the northern and eastern parts of the country.
The National Meteorological Service (EMY) said temperatures in the north will drop by 6 to 8 degrees Celsius.
It will be sunny in most of the country. There will be more significant temporary increases in cloudiness mainly over southern Bulgaria and in separate places there will be rain, mostly light.
A weak easterly wind will blow, in the south-eastern part of the country - a moderate north-easterly wind. The maximum temperatures will be between 25°C and 30°C, in Sofia 25°C.
Authorities have issued cellphone alerts to residents of Karditsa and Farsala in central Greece, advising them to remain indoors due to hazardous weather conditions.
The Fire Brigade's Operations Center received 1,196 calls from Tuesday morning until Wednesday at 6 a.m. for assistance with tasks such as water pumping, tree removal, and evacuating people to safety.