Tamil Nadu Weather: Heavy Rain Alert Issued for 12 Districts, Chennai Continues to Sizzle at 40°C

Heavy rainfall is likely to intensify across parts of Tamil Nadu over the next two days, with the Regional Meteorological Centre (RMC) issuing heavy rain warnings for several interior and Western Ghats districts. While scattered showers have already been recorded in some areas, temperatures continue to remain above normal across many parts of the state.

Rainfall Recorded

During the past 24 hours, rainfall occurred at isolated places across Tamil Nadu, while Karaikal recorded very light rain. Puducherry remained dry.

The highest rainfall was recorded at Cheyyar in Tiruvannamalai district, which received 44.2 mm of rain. Other stations that recorded measurable rainfall included Coimbatore Airport (4.4 mm) and Tiruchirappalli Airport (2 mm).

Temperatures Stay High

Despite the rain activity, daytime temperatures remain elevated in several districts.

Chennai Airport recorded the state's highest maximum temperature at 40°C.

• Chennai city registered 39.8°C, around 2.6°C above normal.
• Madurai Airport touched 39.5°C, while Tiruthani recorded 39.6°C.
• Vellore and Thanjavur also remained close to 39°C.

The lowest minimum temperature in the plains was 24°C, recorded at Coimbatore Airport and Dharmapuri.

In the hill stations, Ooty recorded the lowest minimum temperature at 12.8°C, while Kodaikanal registered 13°C.

Weather Outlook for June 16

RMC has forecast light to moderate rainfall at isolated places over Tamil Nadu, Puducherry and Karaikal. Thunderstorms accompanied by lightning are likely in a few places.

The Western Ghats districts may witness moderate rainfall with thunderstorms and gusty winds reaching 40-50 kmph.

Heavy Rain Warning for June 17

Rain activity is expected to increase significantly on Tuesday.

Heavy rain accompanied by thunderstorms, lightning and gusty winds reaching 40-50 kmph is likely at isolated places over:

• Nilgiris
• Dindigul
• Theni
• Madurai
• Sivaganga
• Thanjavur
• Ramanathapuram

Moderate rainfall is also likely over:

• Namakkal
• Salem
• Dharmapuri
• Krishnagiri
• Tirupattur
• Vellore
• Ranipet
• Tiruvannamalai
• Tiruchirappalli
• Perambalur
• Ariyalur
• Western Ghats districts

Heavy Rain Alert Continues on June 18

The weather department has extended the heavy rain warning to several central and western districts.

Heavy rainfall is likely over:

• Nilgiris
• Theni
• Dindigul
• Madurai
• Erode
• Namakkal
• Karur
• Tiruchirappalli
• Pudukkottai
• Sivaganga
• Ariyalur
• Perambalur

Thunderstorms, lightning and gusty winds of 40-50 kmph are also expected in these regions.

Chennai Weather

For Chennai and its suburbs, the weather department expects a partly cloudy sky over the next two days.

Although light rain is expected, Chennai is likely to continue experiencing hot and humid conditions, with temperatures hovering around the 40°C mark.

Residents in the districts under heavy rain warning are advised to remain alert for sudden downpours, lightning activity and strong winds over the next 48 hours. Meanwhile, Chennai and several northern districts are expected to continue witnessing above-normal temperatures despite chances of isolated thunderstorms.