Locally heavy rain. Precipitation amount forecasted from 50 to 80 mm in 12 hours mainly in Fokida, Fthiotida, Boiotia. BE PREPARED. Some flooding of properties and transport networks, disruption to power, communications and water supplies are possible. Some evacuations may be required. Dangerous driving conditions due to reduced visibility and aquaplaning.

Severe thunderstorms in place probably accompanied by strong winds and hail at times mainly in Fthiotida, Boiotia. BE PREPARED for severe thunderstorms causing significant impact and protect yourself from lightning. Damage to property and trees may occur. Flash flooding, wind gusts and hail are possible. Transport and outdoor activities disruption can be expected.