Tamil Nadu Weather Forecast: IMD Predicts Rainfall in Coimbatore, Dindigul, Theni, and Thoothukudi on March 18 The India Meteorological Department (IMD) has issued a weather forecast for Tamil Nadu, indicating that light to moderate rainfall with thunderstorms and lightning is likely in several districts on March 18, 2026. The forecast highlights that Coimbatore, Dindigul, Theni, and Thoothukudi may experience rain today, while Chennai is expected to remain dry. The weather agency noted that thunderstorms could move toward the delta and surrounding areas on Wednesday and Thursday, with light rain possible in other districts as well. Coastal regions are anticipated to receive light rainfall between March 20 and March 22. The IMD also warned that moderate rainfall is expected in the delta districts and adjoining areas on March 18, with similar conditions likely to persist the following day. The forecast suggests that a few locations in the delta and southern Tamil Nadu may see further rainfall. For the subsequent days, light rain is predicted at isolated places over the Western Ghat districts and south coastal Tamil Nadu, though most of the state and Puducherry will remain dry. The weather outlook for March 19, 2026, indicates light rain at isolated locations in the delta and adjoining districts, with thunderstorms and lightning possible at one or two spots. The rest of Tamil Nadu and Puducherry will experience dry weather. On March 20, light rain may occur in the delta districts and south Tamil Nadu, accompanied by thunderstorms and lightning at a few locations, while the majority of the region will stay dry. For March 21, light rain is expected at isolated places over the Western Ghat districts and south Tamil Nadu, with thunderstorms and lightning at one or two locations.#coimbatore #india_meteorological_department #tamil_nadu #dindigul #theni
