Critical Warning from Istanbul Governorship: Heavy Rain, Storms and Temperature Drops are Coming!

ISTANBUL — Based on the evaluations of the General Directorate of Meteorology, T.R. A very important weather event warning has been issued by the Istanbul Governorship. Citizens were asked to be cautious against adverse weather conditions that are expected to affect the citywide. Showers and Thunderstorms Are Coming
According to the latest evaluations; The showers and thunderstorms that will start tonight (26.10.2026) in Istanbul are expected to increase their impact starting from the morning hours of tomorrow (27.10.2026) and be strong (21-50 kg/m²). It is predicted that rainfall will reach very heavy levels (21-75 kg/m²), especially in Arnavutköy, Sarıyer, Beykoz, Eyüp and Şile districts located in the northern parts of the city. It is estimated that heavy rains will lose their effect starting from tomorrow evening. Beware of Storms and Temperature Drops
Wind Warning: It is estimated that the wind will blow from the north (40-60 km/h) and will occasionally blow as a short-term storm (70 km/h). Temperatures are Falling: Tomorrow (27.10.2026) there will be a noticeable decrease in air temperatures with the rain. Temperatures are expected to be 3 to 5°C below seasonal norms. Warning to Citizens from the Governorship
Istanbul Governorship; He strongly requested citizens to be careful and cautious against negativities such as sudden floods, floods, strong winds during rain and disruptions in transportation.