Greece’s National Meteorological Service (EMY) issued an emergency bulletin warning of a weather deterioration with heavy rainfalls and thunderstorms, locally hail and strong northerly winds.
The bad weather front is forecast to begin in the early hours of Monday, October 26, and continue at least through Tuesday, October 27, 2026, while gradual improvement is expected as of Thursday.
Heavy rain and thunderstorms are expected in several areas—primarily in the eastern part of the country—and may be accompanied by localized hail and sharp temperature drop.



Thunderstorms maps via meteo.gr
Meteorologists in Greece warn of particularly intense rainstorms in western Attica.
⚠️Ιδιαίτερα έντονες καταιγίδες από τα δυτικά της Αττικής. Προσοχή! https://t.co/Ns6Hr9dOvt
— Theodoros Kolydas (@KolydasT) October 25, 2026
EMY WEATHER WARNING
Heavy rain and thunderstorms are forecast in the following areas:
A. Monday, October 26
a) In eastern Central Greece (primarily the regional units of Fthiotida and Viotia) until the morning hours.
b) In Attica, until midday and again during the evening hours.
c) In Thessaly (the regional units of Magnisia and Larissa) until the evening hours.
d) In the Sporades and Evia.
e) In the Dodecanese, from the late morning hours until late at night.
f) In the islands of the eastern Aegean, from midday onwards.
B. Tuesday, October 27
a) In the Sporades and Evia, until midday.
b) In the islands of the eastern Aegean Sea, until late afternoon.
c) In the Dodecanese, from midday onwards.
d) In Attica, until the morning hours.
Indicative Maps





