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Home > Current Affairs News > Yellow alert from Meteorology for 14 provinces: Downpours expected in Istanbul, storms in Marmara

Yellow alert from Meteorology for 14 provinces: Downpours expected in Istanbul, storms in Marmara

The General Directorate of Meteorology has issued a yellow alert for 14 provinces where downpours are expected on Sunday, September 27. A storm warning has also been issued for the Sea of Marmara.

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Published: 26.09.2026 18:24 Updated: 26.09.2026 18:24
Yellow alert from Meteorology for 14 provinces: Downpours expected in Istanbul, storms in Marmara

According to the latest forecasts from the General Directorate of Meteorology, downpours and thunderstorms will be effective in some regions of the country on Sunday, September 27. While a yellow alert has been issued for 14 provinces, including Istanbul, it was reported that a storm is expected in the Sea of Marmara.

According to the forecasts, downpours and thunderstorms will be seen in Thrace, the Western Mediterranean, the coasts of the Central and Eastern Black Sea, the northern parts of Istanbul, the east of Çanakkale, the north of Balıkesir, the west of Afyonkarahisar, the south and east of Van, and the surroundings of Hakkari. The weather is expected to be partly cloudy and clear in other regions.

Weather forecasts and temperature values for Sunday, September 27, 2026, are shown on a map of Turkey.
Weather forecast map of the General Directorate of Meteorology for Sunday, September 27, 2026.

Fog and mist are expected in the inland parts of the Western and Central Black Sea during the morning and night hours. Air temperatures are expected to increase slightly in the inland and western parts, while no significant change is expected in other regions.

The wind is generally expected to blow from the north, and from the south in the southern and eastern parts, lightly to moderately at times. The wind is expected to blow strongly at speeds of 40 to 60 kilometers per hour in the east of Marmara and the North Aegean.

PROVINCES UNDER YELLOW ALERT

Meteorology has issued a yellow alert for 14 provinces due to the expectation of heavy rainfall. The provinces under alert are as follows:

  • - Afyonkarahisar
  • - Antalya
  • - Aydın
  • - Balıkesir
  • - Burdur
  • - Çanakkale
  • - Denizli
  • - Isparta
  • - Istanbul
  • - Izmir
  • - Kocaeli
  • - Manisa
  • - Muğla
  • - Uşak

Authorities have asked citizens to be careful and cautious against negative conditions such as flash floods, flooding, lightning, local hail, and disruptions in transportation.

The Istanbul Governor's Office also issued a storm warning for the Sea of Marmara. According to the statement, the wind is expected to blow from the north and northeast at force 6 to 8, at speeds of 50 to 75 kilometers per hour, starting from the evening hours. The storm is expected to lose its effect as of Sunday morning.

The wind is also expected to blow as a storm from the north and northeast in the north and offshore of the North Aegean after the evening hours.

Weather expected in some provinces on Sunday, September 27.
ProvinceForecastTemperature
AnkaraPartly and slightly cloudy24°C
IstanbulPartly cloudy, northern parts rainy with downpours and thunderstorms25°C
IzmirSlightly cloudy and clear27°C
AntalyaRainy with downpours and thunderstorms throughout the province30°C
SamsunPartly and very cloudy, intermittent downpours and thunderstorms23°C
TrabzonPartly and very cloudy, intermittent downpours and thunderstorms22°C

News Source: 12punto

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Meteorology weather forecast Yellow alert Istanbul Sea of Marmara downpour storm