Greece is set to experience heavy rainfall and potential local flooding, particularly in eastern Thessaly, the Sporades, Evia, and Fthiotida, as reported by meteorologist Nikola Ziakopoulou. Strong storms and mountainous snowfall are expected on Saturday, with temperatures ranging from 10 to 20 degrees Celsius across regions. Winds may reach up to 8 or 9 Beaufort in the Aegean Sea. However, rain is anticipated to decrease on Sunday, yielding clearer conditions and temperatures between 16 and 18 degrees Celsius in most areas.