Western Greece is bracing for intense rain as meteorologist Nikola Ziakopoulou warns of severe storms, particularly on Thursday and Friday. The adverse weather will extend to eastern regions, while Saturday promises a transient winter-like atmosphere with northern winds. Wednesday will bring increased cloud cover, local rain, and strong thunderstorms in the west, alongside some snowfall in the mountains. Temperatures vary across the country, reaching up to 24 degrees in southern areas. Local rainfall is also anticipated in Athens and Thessaloniki, with winds peaking at 6 Beaufort.