site.btaThe Weather on August 18

Around and after noon, cumuliform rain clouds will develop, and in many places in western and northern Bulgaria there will be rain and thunderstorms. Eastern Bulgaria will remain almost without precipitation. Moderate to strong westerly-northwesterly wind, moderate notheasterly in the East. Highs: 28C to 33C, around 28C in Sofia.

The Black Sea coast: Mostly sunny, there will be temporary increases in cloud cover in the afternoon, but without precipitation. Moderate northeasterly wind. Highs: 28C to 30C. Sea water temperature: 26C. Sea wave height: 2 to 3 degrees Douglas.

The mountains: Cumuliform rain clouds, many places in the mountain ranges of western and central Bulgaria will see short-lived, temporarily intense rainfall accompanied by thunderstorms  in the afternoon. There are also conditions for hail. Moderate to strong northerly-northwesterly wind. Highs: around 20C at 1,200 metres, around 14C at 2,000 metres.

Source: National Institute of Meteorology and Hydrology