The Regional Meteorological Centre (RMC), Chennai, has also forecast rainfall across several parts of Tamil Nadu, Puducherry, and Karaikal. The weather system responsible is a cyclonic circulation over the southeast Arabian Sea and adjoining south Kerala region.
Several districts, including Nilgiris, Coimbatore, Tiruppur, Dindigul, Theni, Karur, Namakkal, Erode, Salem, Tiruchirappalli, Dharmapuri, Krishnagiri, Tirupattur, Vellore, Ranipet, and Tiruvannamalai, may receive heavy rainfall accompanied by gusty winds and thunderstorms.
For Chennai and its suburbs, skies are expected to remain partly cloudy, with light to moderate rain possible in isolated areas. Maximum temperatures are likely to hover around 39°C to 40°C, while minimum temperatures may remain between 29°C and 30°C.