The Hellenic National Meteorological Service (EMY) has issued an urgent weather warning as Greece prepares for a period of heavy rain, thunderstorms, and falling temperatures. The alert covers Tuesday, November 4, to Wednesday, November 5, 2025, with the strongest effects expected in the eastern mainland, northern Aegean islands, and Attica region.
Areas Expected to See Severe Weather
- Halkidiki and Northern Aegean (including Lemnos): Tuesday afternoon to evening.
- Sporades and Eastern Thessaly (Magnesia): Tuesday evening to Wednesday midday.
- Eastern Central Greece, including Attica: Tuesday early afternoon to night.
- Southern Ionian, Western Peloponnese, Aetolia-Acarnania: Brief rain on Tuesday afternoon.
- Central and Northern Euboea: Wednesday morning to night.
Monday Conditions
Today, Monday, November 3, increased cloud cover with local rain and occasional thunderstorms is expected in the Ionian islands, Epirus, Western Central Greece, and Western Peloponnese. Other regions will see scattered clouds with possible light local rain. Visibility may be reduced during morning and evening hours, with occasional fog.
Winds will blow from southern directions in the west (3–4 Beaufort, locally 5 in Northern Ionian) and light variable winds in the east. Temperatures remain steady, ranging from 22–24°C, reaching 25°C locally in Crete and the Dodecanese.
Tuesday Forecast
Heavy cloud cover with local rain and scattered thunderstorms will affect the Ionian islands, mainland, northern Aegean, and western Crete and Cyclades by Tuesday afternoon. Winds will shift to northern directions, 3–5 Beaufort, locally 6 in the north. Temperatures drop slightly in northern regions (18–19°C) and remain 21–23°C elsewhere, locally 24°C in Crete and Dodecanese.
Wednesday Forecast
On Wednesday, rain will affect the west initially, while northern areas see clearing by midday. Scattered thunderstorms are expected in southern regions. Eastern Aegean and Dodecanese islands will experience partly increased cloud cover with light morning rain. Temperatures will slightly decrease, particularly in eastern regions.
Residents are advised to stay updated on weather conditions, exercise caution during travel, and prepare for potential disruptions caused by rain and storms.