13.10.2026 14:16
Istanbul Metropolitan Municipality (IMM) Disaster Affairs and Risk Management Department AKOM announced that strong rainfall and storms are expected throughout Istanbul. The rainfall, expected to increase in effect starting at 23:00 tonight, is forecast to be effective together with a strong storm blowing at 50-80 kilometers per hour starting at 09:00 on Wednesday. In the rainfall expected to last until 13:00 on Thursday, it is predicted that 40-70 kilograms of rainfall per square meter may fall in some districts.
According to AKOM's assessments, cold air coming from the Balkans and rainy systems coming over the Central Mediterranean are expected to be effective in a large part of Turkey, especially Istanbul.
TIME ANNOUNCED
Rainfall that will be seen intermittently today is expected to increase its effect from 23:00, and from 09:00 on Wednesday, rain showers are expected along with a strong storm blowing at 50-80 kilometers per hour.
70 KILOGRAMS OF RAINFALL PER SQUARE METER EXPECTED IN SOME DISTRICTS
Heavy rainfall expected to be effective together with the storm until 13:00 on Thursday is expected to be in the 40-70 kilogram range per square meter in Çatalca, Arnavutköy, Eyüpsultan, Sarıyer, Başakşehir, Esenyurt and Büyükçekmece in the northern and central parts of the European Side, and in Maltepe, Kartal, Sultanbeyli, Pendik, Tuzla and Şile in the east of the Anatolian Side. In other parts of Istanbul, rainfall is forecast to be 20-40 kilograms per square meter.