During the night, skies across most of Bulgaria will remain mostly clear, according to the National Institute of Meteorology and Hydrology (NIMH). Wind conditions will calm in many areas, except in the Danube Plain, where a weak to occasionally moderate westerly wind will continue. Minimum temperatures will range from minus 5°C to 0°C, with colder readings of up to minus 8°C in high-altitude valleys and plateaus. In Sofia, temperatures are expected to drop to around minus 7°C. Atmospheric