A significant weather change is impacting northern and central Greece starting today. The region is experiencing heavy rainfall, thunderstorms, and potential hail. Temperatures are expected to drop as the storm system moves through. Authorities have not issued specific warnings, but residents are advised to take precautions. The adverse weather conditions are forecast to persist through Saturday. A gradual improvement in the weather is anticipated beginning on Sunday, with conditions expected to stabilize. The change marks a shift from recent warmer temperatures to a more unsettled pattern.