As the meltemia winds batter the Aegean and temperatures climb toward 40°C, authorities issue a very high fire risk alert for Attica, Crete, Central Greece, and the North Aegean.
Europe sees a historic drop in wine output, while Greek vineyards continue their long-term underproduction, putting pressure on the market and driving prices up.
Severe weather conditions are expected on Thursday with heavy rainfall, thunderstorms, and strong winds affecting multiple regions.
According to Marousakis, the shift will be driven by a cold air mass moving south from the northern Balkans, which will clash with the hot air near the surface that built up during recent high temperatures
The heatwave, among the strongest the country has seen in recent years, has brought persistent clear skies, minimal rainfall, and dangerous levels of heat stress — especially in urban areas like Athens and Thessaloniki.
According to the updated emergency weather bulletin issued at noon on July 4, very high temperatures are forecast in our country until Wednesday (09-07-25). The highest values (maximum values of more than 40 degrees) will occur from today (07-07-25) in the interior of mainland Greece. On Thursday (10-07-25) a significant drop in temperature is expected throughout the country.
