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The heavy rain, which started in the morning hours in Istanbul, increased its effect in the following hours, creating puddles and streams throughout the city.
The shower, which started in the morning in Istanbul and increased its effect in the following hours, had a negative impact on life. Due to the rain, the water level of Alibey Stream in Boğazköy rose. As the stream overflowed over the bridge, the overflowing waters filled the surrounding school garden. It was seen that the water level in the area had risen and the schoolyard had begun to be flooded.
ROADS TURNED INTO LAKE; VEHICLES LEFT IN THE WATER
Due to the rain, puddles formed on the streets in Sarıyer and Kağıthane. Drivers had difficulty moving forward as some roads were covered with water. While there was heavy traffic from time to time, motorcycle drivers also had difficult times on roads covered with water. Those who were unprepared for the rain took shelter at bus stops.
THEY PROGRESSED BY PUSHING THEIR MOTORCYCLES
In areas where the rain was effective, some motorcycle riders got off their motorcycles when they could not proceed on the roads covered with water. Drivers were seen trying to move forward by pushing their motorcycles.
THE SEA MERGED WITH THE LAND, THE VEHICLES WERE SURVIVED
The shower, which started in the morning hours in Istanbul, increased its effect in the following hours. Due to the rain, puddles formed in some streets and avenues throughout the city. In Esenler and Sarıyer, some vehicles parked on the roads filled with water were submerged. It was seen that most of the vehicles were under water.
After the heavy rain in Sarıyer, sea water hit the shore. As the sea and land merged in the coastal area, it was seen that sea water was advancing towards the land.
SOME SUBWAYS AND UNDERPASSES WERE FLOODED
The shower, which started in the morning in Istanbul and increased its effect in the following hours, had a negative impact on life. Due to the rain, puddles formed in the metro stations and underpasses in Esenler, Zincirlikuyu and Topkapı. While the accumulated water at some points negatively affected transportation, citizens had difficulty walking.
SHOPPING MALL PARKING PARK WAS FLOODED
The parking lot of a shopping center in Sarıyer was also flooded due to heavy rain. Due to the water accumulated in the parking lot, there was flooding in the area where the vehicles were located. The downpour, which was effective throughout the city, negatively affected daily life.
The heavy downpour in Istanbul caused flooding in many districts, filling roads, underpasses and tunnels with water. Vehicles were stranded, trips were canceled on some transportation lines, and damage such as overflows and falling trees were reported.

Heavy rain, storms and floods occurred in Istanbul. CNN Türk Meteorology Expert Prof. Dr. Orhan Şen warned that the rain would last for 3-4 days, would be effective in regions such as the Bosphorus, Eyüpsultan, Ataşehir and Çekmeköy, and that floods could be expected tomorrow morning, and brought up the risks of soil saturation, landslides, collapse and tree fall.

CNN TÜRK Meteorology Advisor Prof. Dr. Orhan Şen warned that heavy rainfall in Istanbul will intensify around the Bosphorus, Ataşehir and Çekmeköy between 23.00 and 00.00 at night, 200 kilograms of rain falls per square meter and the risk of landslides, collapses and floods will continue.

Due to the heavy rain in Biga district of Çanakkale, the road at the entrance of Demirci Dere Bridge collapsed and was closed to traffic, but was reopened at 18.30. Due to the same rainfall and storm effects, many boats washed ashore in the Gallipoli district and some were damaged by taking on water.

Due to heavy rain throughout Istanbul, AFAD Istanbul Regional Directorate established a crisis desk. Rain has been effective since the morning hours, and as of 20:00, intervention efforts continue with 8 thousand personnel and 2 thousand vehicles. A total of 2,518 notifications were received by AFAD and 112 Emergency Call Center between 06.00-20.00 on 14 October 2026. The most reports were about floods (1,277) and housing damage (808). 193.84 kg/m2 rainfall was measured in Beykoz-Ömerli and 124.72 kg/m2 rainfall was measured in Sarıyer-İTÜ Maslak. There are no road closures or airport cancellations. Due to the rain, personnel in residential social service institutions for children, the elderly and the disabled were excluded from the scope of administrative leave.

Based on the data of the General Directorate of Meteorology, Istanbul Governorship announced that a crisis desk was established at AFAD Istanbul Regional Directorate due to the rain that started in the morning. Intervention efforts continued with 8 thousand personnel, 2 thousand vehicles and work machines. The highest rainfall was measured in Beykoz-Ömerli, with 193.84 kilograms per square meter. Thousands of floods, landslides and strandings were reported.