According to the weather assessment by the General Directorate of Meteorology for October 18, 2026, partly to very cloudy weather will prevail across most of Turkey. Showers and thunderstorms are expected in the Western and Eastern Black Sea regions, provinces in Eastern Anatolia excluding Şırnak, and some cities in Central Anatolia, the Mediterranean, and Southeastern Anatolia.
Rainfall is expected to intensify particularly in the Western Black Sea region. Heavy rain is forecast for the surroundings of Bolu, Karabük, and Kastamonu, while very heavy and locally severe downpours are anticipated in the surroundings of Düzce, Zonguldak, and Bartın.
HEAVY RAIN AND STORM WARNING
The MGM has advised caution against negative conditions such as floods, flash floods, lightning, transportation disruptions, and sudden winds in regions where heavy rainfall is expected. It is estimated that winds along the Western Black Sea coast will blow as a strong storm from northerly directions, with speeds potentially reaching 100 kilometers per hour in some areas.
Winds are also expected to blow strongly and locally reach storm force from southerly directions in the interior parts of the Black Sea and the southeast of Eastern Anatolia. Air temperatures are stated to remain around seasonal norms in the eastern regions and below normal in other parts.
The weather in the Marmara region will be partly to very cloudy. While showers and thunderstorms are expected in the surroundings of Çanakkale and Tekirdağ, the temperature in Istanbul is estimated to hover around 17 degrees. Temperatures are forecast at 19 degrees in Bursa, and 18 degrees in Çanakkale and Kırklareli.
In Central Anatolia, passing showers are expected in the surroundings of Ankara, Çankırı, Niğde, Kayseri, Yozgat, and Sivas. The temperature in Ankara is expected to drop to 12 degrees, with rainfall likely to be effective in the morning hours. In the Aegean, the weather will be partly to very cloudy; the temperature in İzmir will be 19 degrees.
While showers and thunderstorms are expected in the surroundings of Hatay, Osmaniye, and Kahramanmaraş in the Mediterranean, it was reported that rainfall in Rize and Trabzon in the Eastern Black Sea region will be effective during the afternoon and evening hours. Precipitation is forecast for the surroundings of Adıyaman, Gaziantep, Kilis, Diyarbakır, and Batman in Southeastern Anatolia.
News Source: 12punto
