Before midday it will be mostly sunny in most of the country, but from the northwest, cumulus and cumulus rain will develop clouds, stronger after noon and overnight Thursday.
The NIMH warned about this.
In many places, mainly in the northwestern half of the country, there will be short-lived intense precipitation with locally significant amounts and thunderstorms. The chance of hail remains elevated. Maximum temperatures will mostly be between 30° and 35°, in Sofia - about 30°.
In the mountains, it will be mostly sunny in the morning, but cumulus clouds will begin to develop in the afternoon and cumulus-rain clouds and in many places there will be short-lived, temporarily intense precipitation and thunderstorms. There are hail conditions. A moderate wind will blow from the north-northwest. Temperatures will remain unchanged: the maximum at 1200 meters will be around 23°, at 2000 meters - around 17°.
It will be mostly sunny along the Black Sea. After noon there will be temporary increases in cloud cover, but the chance of precipitation is very low. Light to moderate winds will blow before noon from the north, after noon – from the east. Maximum temperatures will be 29°-31°. The temperature of the sea water is 28°-29°. The excitement of the sea will be 2 points, in the extreme southern regions - 3 points.