Bulgaria's weather service NIMH has issued an orange warning for heavy rain in seven regions. A yellow warning is in force in 11 more.

The orange warning covers Silistra, Dobrich, Razgrad, Targovishte, Shumen, Varna and Burgas. The yellow warning covers Ruse, Sliven, Yambol, Veliko Tarnovo, Pleven, Vratsa, Lovech, Gabrovo, Plovdiv, Stara Zagora and Haskovo. In all, 18 regions are under warning.

It will be cloudy, with rain in many places. Eastern Bulgaria will get heavy rain, but in the south the rain will stop for a while during the day.

A light wind will blow from the east-northeast. It will be moderate in the Danube plain and eastern Bulgaria.

Lows will be between 7C and 12C, and highs between 9C and 14C. The southeast and the coast will be warmest, with temperatures reaching 17-18C. Sofia will see highs of around 9-10C. Lows on the Black Sea coast will be slightly higher than elsewhere.