Weather conditions in Greece are predicted to be unstable until Monday, featuring severe thunderstorms, particularly in the Dodecanese and the western regions. Meteorologist Nikola Ziakopoulou warns of heightened rainfall with mild temperatures. Saturday will see increased cloud cover and rain, with temperatures ranging from 12 to 18 degrees Celsius in Attica and 8 to 13 degrees Celsius in Thessaloniki. The storms are expected to continue through Sunday, mainly affecting the Aegean region.