First published 9/21/2026, 10:02:15 PM · Last updated 9/21/2026, 10:02:15 PM

Light to Moderate rain with Thunderstorm and Lightning is likely At isolated places Ariyalur, Coimbatore, Cuddalore,Dharmapuri, Dindigul,Erode, Kanniyakumari, Karur, Krishnagiri, Madurai, Mayiladuthurai, Nagapattinam, Namakkal, Perambalur, Pudukkottai, Salem, Thanjavur, Theni, Thiruvarur, Tiruchirappalli.

IMD-Chennai issued a forecast for light to moderate rain with thunderstorm and lightning at isolated places across multiple districts of Tamil Nadu (listed). The bulletin notes Severity: Moderate and Urgency: Expected and advises following SDMA guidelines.

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 2/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 4/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

An official IMD-Chennai advisory identifies light-to-moderate rain with thunderstorm and lightning expected in many districts of Tamil Nadu and directs recipients to follow SDMA guidance for the affected areas.

Location

Sources

Light to Moderate rain with Thunderstorm and Lightning is likely At isolated places Ariyalur, Coimbatore, Cuddalore,Dharmapuri, Dindigul,Erode, Kanniyakumari, Karur, Krishnagiri, Madurai, Mayiladuthurai, Nagapattinam, Namakkal, Perambalur, Pudukkottai, Salem, Thanjavur, Theni, Thiruvarur, Tiruchirappalli.

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