Nationwide Flooding In Iran - DREF Operational Update (MDRIR017)

Country: Iran (Islamic Republic of) Source: International Federation of Red Cross and Red Crescent Societies Please refer to the attached file. Date of event 15-12-2025 What happened, where and when? Since 15 December 2025, a series of intense and unstable weather systems has caused heavy rainfall, flash floods, river overflows, and widespread waterlogging across large parts of Iran, resulting in significant humanitarian impacts in both urban and rural areas.