27.10.2025 14:53
The meteorology department has issued a warning for heavy rainfall and hail risk in Istanbul and the Marmara region. Experts stated that the rainfall, which will begin in Thrace during the afternoon hours, is expected to reach Istanbul in the evening. AKOM announced that local hail events may occur along with storms and thunderstorms. Citizens have been advised to move their vehicles to covered areas and to take precautions.
The General Directorate of Meteorology announced in its assessment for the new week that heavy rain and thunderstorms will be effective in many regions, especially in Marmara, Aegean, and the Western Black Sea. The rainfall is expected to be locally strong in Marmara in the afternoon and evening hours, and in the İzmir and Manisa regions during the night hours.
THERE IS A RISK OF FLOODING, HAIL, AND TORNADOES
Meteorology Editor Dilek Çalışkan stated that today, a strong southern wind will be effective in Istanbul, temperatures will rise to 26 degrees, and very heavy rains will begin in the afternoon due to the northwestern wind. Çalışkan warned, "There is a risk of flooding, hail, and tornadoes in Thrace starting from noon. These rains will reach Istanbul in the evening hours. From 18:00 onwards, it will be particularly effective along the Bosphorus line and the Asian side."
CONFLICT OF SOUTHERN WIND AND NORTHWESTERN WIND IN THE SKY
Çalışkan pointed out that the negative effects of the southern wind will be observed, stating that temperatures will rise to 26 degrees in Istanbul. Emphasizing that colder air will come from the Balkans with the northwestern wind in the afternoon, Çalışkan said, "Today, there will be a conflict between the northwestern wind and the southern wind. This will cause very heavy rains."
EXPERTS WARN OF FLOODING
Prof. Dr. Orhan Şen also drew attention to the risk of waterlogging on the European side of Istanbul. Şen stated, "Effective rainfall is expected in Kırklareli, Edirne, Tekirdağ, and the European side of Istanbul. It will continue until the evening, and İzmir and Manisa will also be at risk in the evening hours."
AKOM: BE PREPARED FOR LIGHTNING AND HAIL EVENTS
The Istanbul Metropolitan Municipality Disaster Coordination Center (AKOM) also issued a warning for storms, lightning, and local hail across Istanbul. The statement reported that heavy rain transitions will continue from Silivri, Çatalca, and Arnavutköy until Tuesday evening, and temperatures will drop from 25 degrees to 15-17 degrees. Citizens were advised to be cautious and take precautions against the risks of "waterlogging, lightning, and hail."
RAIN WILL START AT 15:00
The rainy weather system that will bring the rain is expected to reach the European side at 15:00. The rainfall will first be effective in districts such as Çatalca, Esenyurt, and Başakşehir. The system will reach the city center by 17:00. Strong rain is expected across Istanbul until 20:00.