Heavy rain alert for western Tamil Nadu districts over 3 days
Synopsis
Tamil Nadu is caught between two extremes: the RMC has put nine districts on heavy rain alert for the next three days, driven by an Arabian Sea circulation and a Kerala low-pressure area, while Erode baked at 42°C and 16 locations recorded dangerously high temperatures on the same day — a textbook pre-monsoon split that is anything but routine for residents in both zones.
Key Takeaways
The Regional Meteorological Centre (RMC) has forecast heavy rainfall in western and northern Tamil Nadu over the next three days .
Districts on alert include Salem , Dharmapuri , Krishnagiri , Vellore , Nilgiris , Erode , Tirupathur , Tiruvannamalai , and Kallakurichi for Saturday and Sunday.
Rain warnings extend to Coimbatore , Tiruppur , and additional districts on 25–26 May .
Erode recorded the state's highest temperature at around 42 degrees C on Friday; Chennai-Meenambakkam followed at 41 degrees C .
A total of 16 locations across Tamil Nadu logged significantly elevated temperatures on Friday.
Chennai may face heat wave-like conditions despite partly cloudy skies.
The Regional Meteorological Centre (RMC) has forecast heavy rainfall across parts of western and northern Tamil Nadu over the next three days, with districts including Salem, Dharmapuri, Krishnagiri, and Vellore on alert — even as temperatures in several parts of the state remain well above seasonal norms.
Weather Systems Driving the Forecast
According to the weather department, an atmospheric circulation persists over the southeast Arabian Sea and adjoining regions. A low-pressure area remains active over Kerala and nearby southeastern zones. Together, these systems are expected to drive rainfall activity across Tamil Nadu through the coming days.
District-wise Rain Alert
On Saturday and Sunday, the RMC has warned of heavy rain accompanied by thunderstorms and strong winds in Nilgiris, Erode, Salem, Dharmapuri, Krishnagiri, Tirupathur, Vellore, Tiruvannamalai, and Kallakurichi. Isolated rainfall is additionally expected on Saturday in Perambalur, Tiruchirappalli, Namakkal, Karur, Dindigul, Theni, and Madurai.
For 25 and 26 May, the forecast extends to the hilly regions of Coimbatore and Tiruppur, along with Nilgiris, Theni, Dindigul, Erode, Namakkal, Salem, Madurai, Dharmapuri, and Krishnagiri.
Chennai: Heat Despite Cloud Cover
Chennai is expected to see partly cloudy skies through the period, but the weather office cautioned that certain parts of the city could still experience heat wave-like conditions despite isolated cloud cover — a reminder that cloud presence does not always translate to cooling relief.
Temperatures Remain Elevated Across the State
Data from the weather department showed that 16 locations across Tamil Nadu recorded significantly high temperatures on Friday. Erode logged the state's highest at around 42 degrees C, followed by Chennai-Meenambakkam at 41 degrees C. Temperatures touched nearly 40 degrees C in Tiruttani, Vellore, Madurai city, and Tiruchirappalli.
Several other areas — including Chennai-Nungambakkam, Madurai Airport, Thanjavur, and Karur Paramathi — recorded temperatures around 39 degrees C, while Cuddalore, Nagapattinam, Namakkal, Palayamkottai, Parangipettai, and Thoothukudi also endured intense summer heat.
A Divided State: Rain and Heat in Parallel
The contrasting pattern — heavy rain warnings in the west and north, scorching heat in the plains and coast — reflects the complex seasonal transition currently underway across Tamil Nadu. This is a characteristic feature of the pre-monsoon period, when weather systems can simultaneously produce extreme rainfall in hilly and interior districts while leaving coastal and low-lying areas under a heat dome. All eyes are now on whether the forecast systems intensify further as the southwest monsoon's arrival draws closer.
Point of View
And it exposes a persistent gap in public preparedness. District administrations in rain-forecast zones must activate drainage and landslide protocols now, not after the first fatality. Meanwhile, the heat wave-like conditions in Chennai deserve equal urgency: the city's urban heat island effect means official temperature readings at Meenambakkam can understate what residents actually experience. Both extremes are foreseeable and manageable — the question is whether the response machinery is keeping pace with the forecast.
NationPress
14 Jul 2026
Frequently Asked Questions
Which Tamil Nadu districts are under heavy rain alert for the next three days?
The RMC has placed Nilgiris, Erode, Salem, Dharmapuri, Krishnagiri, Tirupathur, Vellore, Tiruvannamalai, and Kallakurichi on heavy rain alert for Saturday and Sunday, with warnings extending to Coimbatore, Tiruppur, Theni, Dindigul, Namakkal, Madurai, and others on 25 and 26 May.
What weather systems are causing the rain forecast in Tamil Nadu?
An atmospheric circulation over the southeast Arabian Sea and a low-pressure area active over Kerala and adjoining southeastern regions are the primary drivers, according to the weather department. These systems are expected to sustain rainfall activity across Tamil Nadu over the coming days.
What was the highest temperature recorded in Tamil Nadu on Friday?
Erode recorded the highest temperature in the state at around 42 degrees C on Friday. Chennai-Meenambakkam followed at 41 degrees C, and Tiruttani, Vellore, Madurai city, and Tiruchirappalli all touched nearly 40 degrees C.
Will Chennai receive rainfall in the coming days?
Chennai is expected to see partly cloudy skies but is not under a heavy rain warning. The weather office has cautioned that certain parts of the city could still experience heat wave-like conditions despite the cloud cover.
Why is Tamil Nadu experiencing both heavy rain and high temperatures simultaneously?
The contrasting pattern is characteristic of the pre-monsoon seasonal transition, during which weather systems can produce heavy rainfall in hilly and interior western districts while coastal and low-lying areas remain under intense heat. It reflects the complex atmospheric dynamics that precede the arrival of the southwest monsoon.
