The weather in Greece is set to change on Friday with rain in the western regions and the eastern Aegean islands. The rain will spread to Thessaly, Macedonia, Thrace, and the Peloponnese later in the evening. Heavy snow is expected in the mountains of central and northern Greece. The forecast for Saturday indicates rain across most of the country, including snow in the mountains, with temperatures cooling down significantly. By Sunday, conditions will improve but still feature some rain in the Ionian and eastern Aegean islands.