Light winds will blow overnight from the north-northwest. In places, there will be brief thundershowers, which will weaken and stop after midnight. 

Tomorrow, August 25, over most of the country, the clouds will be often significant, in the afternoon and until midnight - cumulonimbus. Brief showers and thunderstorms will fall mainly over southern Bulgaria. Over the Danube plain skies will be sunny, no precipitation is expected. 

A light to moderate northeasterly wind will be blowing in eastern Bulgaria. Maximum temperatures will be between 27° and 32°C, in Sofia 27°-28°C. 

Over the Black Sea coast there will be significant, cumulus and cumulonimbus clouds with brief showers and thunderstorms around and in the afternoon. Moderate north-northeast winds are likely. Maximum temperature - 29°-31°C. Sea water temperature will be 26°-27°C. Sea swell - 2-3.   

There will also be cumulus clouds over the mountains with brief showers and thunderstorms. Moderate to strong northeast wind will blow. The maximum temperature at an altitude of 1,200 meters will be about 22°C, at 2,000 meters - about 16°C.