
According to IMM data, traffic density throughout the city was measured as 89 percent.
AI-generated summary
The heavy rain that started in the evening hours in Istanbul negatively affected life in some districts. According to IBB CepTrafik application data, traffic density in the city overall and on the Anatolian and European sides was measured as 89 percent. Istanbul Governorship warned for heavy rain that will be effective starting from tomorrow morning.
There was a heavy shower in Istanbul in the evening.
Thunderstorms negatively affected life in some districts. The rain, which started in the evening, increased in intensity in the form of thunderstorms in some districts.
Citizens using public transportation took shelter under the stops due to the downpour. Some citizens opened their umbrellas to protect themselves from the rain.
Those who were caught unprepared for the downpour waited for a while under the awnings of their workplaces and at the entrances of the buildings.
Puddles of water formed in some streets and avenues throughout the city after the downpour.
Vehicles had difficulty moving forward in Üsküdar, Pendik, Sultanbeyli, Çekmeköy, Beykoz, Küçükçekmece, Maltepe, Sultangazi, Fatih, Bahçelievler, Beylikdüzü, Bağcılar and Eyüpsultan because the streets were filled with water.
Meanwhile, motorcyclists and citizens passing by had a hard time.
Tourists who did not mind the rain continued to walk in Taksim Square and Istiklal Street.
Some tourists took photos under the downpour.
Due to the effect of the rain, traffic accidents with damage occurred on some streets.
According to IMM CepTrafik application data, traffic density in the city overall and on the Anatolian and European sides was measured as 89 percent.
Traffic congestion occurred in Istanbul due to rush hours and heavy rain.
According to the Istanbul Metropolitan Municipality Traffic Density map, the density increased by 89 percent throughout the city at 18:00. As of 19.11, the density continues to be 89 percent.
After the end of working hours in the city, vehicles had difficulty moving on the main arteries, streets and connecting roads.
Before the Galatasaray-Stuttgart match, the roads in and around Seyrantepe, where the match will take place, were also blocked.
On the other hand, Istanbul Governorship warned for heavy rain that will be effective starting from tomorrow morning.
According to the governorship's statement, intermittent and locally heavy showers and occasional thunderstorms are expected starting from the morning hours of Wednesday, 04.11.2026.
In the statement, it was said, "The wind is expected to blow strongly (40-60 km/h) and occasionally as a short-term storm (50-70 km/h) from the north after noon. With heavy rain, one should be careful and cautious against negativities such as floods, floods, transportation disruptions, landslides and lightning."
AI outlook — possibilities, not facts
Intermittent and sometimes heavy showers are expected in Istanbul starting from Wednesday morning, 04.11.2026
Very likely · Within hours
After noon, strong winds (40-60 km/h) and occasional short-term storms (50-70 km/h) are expected to blow from the north.
Very likely · Within hours
The heavy downpour that hit Istanbul in the evening hours caused waterlogging and traffic congestion in many districts. Traffic density throughout the city reached 89 percent.

Heavy rain in Istanbul increased the traffic density to 90 percent. While the Ministry has warned of floods, landslides and tornadoes for 23 provinces, temperatures are expected to drop towards the weekend and snowfall in higher areas.
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