Southern districts are expected to receive widespread rainfall on February 21 and 22. Isolated heavy showers are likely in Tirunelveli, Thoothukudi, and Kanniyakumari on Saturday. On Sunday, intense rainfall may cover parts of Dindigul, Madurai, and Theni districts.
In contrast, north Tamil Nadu may see light to moderate rain in a few locations. Chennai is also likely to receive light to moderate showers on February 21. Thunderstorms accompanied by gusty winds reaching 30–40 kmph may occur in some areas. Meanwhile, the prevailing foggy conditions are expected to gradually ease over the coming days.