Tomorrow (August 7), clouds will start to build in the morning. In the afternoon there will be cumulus overcast in some areas, resulting in brief showers and thunderstorms. Northeasterly wind will become more intense, in eastern Bulgaria it will be temporarily strong. Daytime temperatures will slightly decrease and the maximum will be between 29° and 34°C, in Sofia around 28°. 

Over the mountains, cumulonimbus clouds will develop in the afternoon. There will be brief showers and thunderstorms. There will be moderate to strong northeast wind. The maximum temperature at 1,200 m will be 21°C, at 2,000 m - 14°C. 

Sunny weather will prevail along the Black Sea coast before noon. In the afternoon, cumulus clouds will develop and in many places there will be brief precipitation, in places along the southern coast and it will be overcast. Maximum temperatures of 27°-30°C and 25°-26°C at sea level.