Tamil Nadu heavy rain alert: Low-pressure area to lash 10 districts on June 8
Synopsis
A stubborn low-pressure system straddling the Karnataka-Andhra Pradesh coast is pushing heavy rain and strong winds into western and southern Tamil Nadu on June 8, with 10 districts on alert. Chennai braces for thunderstorms even as temperatures hold near 39-40°C — a reminder that monsoon onset does not automatically mean cool relief.
Key Takeaways
A low-pressure area over the Karnataka coast and adjoining Andhra Pradesh is driving widespread rainfall across Tamil Nadu on 8 June .
Heavy rain, thunderstorms, and gusty winds of 40-50 kmph are forecast for Nilgiris, Tiruppur, Dindigul, Theni, Kanyakumari, Erode , and Salem districts.
Hilly areas of Coimbatore, Tenkasi , and Tirunelveli are also expected to receive heavy showers.
Chennai maximum temperature is forecast between 39 and 40°C ; minimum around 29-30°C , with isolated thunderstorms likely in the evening.
No significant temperature change is expected across Tamil Nadu, Puducherry, and Karaikal between 8 and 11 June .
The RMC has advised residents to stay alert for sudden thunderstorm activity and monitor official advisories.
A low-pressure area persisting over the Karnataka coast and adjoining Andhra Pradesh coastal region is set to trigger widespread rainfall across Tamil Nadu on 8 June, the Regional Meteorological Centre (RMC) has forecast. The weather system is expected to bring particularly intense conditions to western and southern parts of the state, with gusty winds adding to the disruption.
Districts on Alert
Heavy rainfall accompanied by thunderstorms and gusty winds of 40 to 50 kmph is likely at isolated places in Nilgiris, Tiruppur, Dindigul, Theni, Kanyakumari, Erode, and Salem districts. Hilly regions of Coimbatore, Tenkasi, and Tirunelveli are also expected to experience similar conditions, according to the RMC.
Light to moderate rainfall with thunderstorms is forecast at one or two places across Tamil Nadu, Puducherry, and Karaikal through the day.
Temperature Outlook: June 8 to June 11
The meteorological department has indicated little likelihood of any significant change in maximum temperatures across Tamil Nadu, Puducherry, and Karaikal between 8 June and 11 June. Temperatures are expected to remain normal or marginally above normal across most of the region, though a gradual decline is possible as rainfall activity intensifies.
Notably, weather officials cautioned that heat-related discomfort could persist along the northern coastal districts of Tamil Nadu, where high temperatures combined with elevated humidity levels may sustain heat stress even amid intermittent showers.
Chennai Weather Forecast
In Chennai and its suburbs, skies are expected to remain partly cloudy throughout the day. The city is likely to see light to moderate rain with thunderstorms at isolated locations, with conditions turning more unstable during afternoon and evening hours — raising the prospect of brief but intense showers in some neighbourhoods.
The maximum temperature in Chennai is expected to hover between 39 and 40 degrees Celsius, while the minimum is likely to remain around 29 to 30 degrees Celsius.
Advisory for Residents
The RMC has urged residents to take precautions against heat stress and remain alert for sudden thunderstorm activity, particularly during outdoor travel. The public has been advised to monitor official weather advisories, as rainfall patterns may vary across districts depending on local atmospheric conditions.
While the rains are expected to offer some respite from the prevailing heat, the combination of high temperatures and humidity means conditions could remain uncomfortable in several areas over the coming days.
Point of View
Yet district-level preparedness often lags the meteorological warning curve. The dual-stress of high humidity and intermittent rain along the northern coast also points to a pattern increasingly seen in Indian coastal cities: weather that is neither hot enough to trigger a clear heat-action protocol nor wet enough to provide sustained relief. The RMC's advisory is timely, but the real test is whether civic agencies translate forecast data into on-ground action before the next intense spell.
NationPress
23 Jul 2026
Frequently Asked Questions
Which Tamil Nadu districts are under heavy rain alert on June 8?
The Regional Meteorological Centre has placed Nilgiris, Tiruppur, Dindigul, Theni, Kanyakumari, Erode, and Salem under a heavy rain alert on 8 June. Hilly areas of Coimbatore, Tenkasi, and Tirunelveli are also expected to receive heavy showers with gusty winds of 40-50 kmph.
What is causing the heavy rain in Tamil Nadu?
A low-pressure area persisting over the Karnataka coast and the adjoining Andhra Pradesh coastal region is the primary driver. This weather system is channelling moisture into Tamil Nadu, triggering widespread rainfall and thunderstorm activity across several districts.
What is the weather forecast for Chennai on June 8?
Chennai is expected to have partly cloudy skies with light to moderate rain and isolated thunderstorms, particularly during afternoon and evening hours. Maximum temperatures are forecast between 39 and 40 degrees Celsius, with minimums around 29 to 30 degrees Celsius.
Will temperatures drop in Tamil Nadu due to the rain?
The RMC has indicated little likelihood of a significant temperature change between 8 and 11 June. Temperatures are expected to remain normal or marginally above normal, though a gradual decline is possible if rainfall activity intensifies.
What precautions have authorities advised for Tamil Nadu residents?
Residents have been advised to guard against heat stress, avoid unnecessary outdoor travel during thunderstorm-prone afternoon and evening hours, and stay updated with official RMC weather advisories, as rainfall patterns may vary across districts.
