Greece is set to experience worsening weather on December 23 and 24, 2024, with strong rainfall and thunderstorms primarily affecting coastal and marine areas. Gale-force winds are expected in the Ionian and Aegean Seas, along with snowfall in mountainous regions of central and northern Greece. While heavy rain will begin in the northwest, it will gradually extend to other regions, decreasing in intensity by the evening. Snowfall will persist, particularly in western Macedonia, with decreasing intensity from Tuesday afternoon.