Today (07.12.2021)
Light to moderate rain is likely to occur at isolated places over South Tamilnadu and Western Ghat districts.
Probably dry weather is likely to prevail over rest Tamilnadu.

Tomorrow (08.12.2021)
Thunderstorm with heavy rain is likely to occur at isolated places over Cuddalore, Ramanathapuram, Pudukkottai and Delta districts, Puducherry & Karaikal.
Thunderstorm with moderate rain is likely to occur at isolated places over Coastal Tamilnadu.
Light rain is likely to occur at isolated places over Western Ghats and adjoining interior Tamilnadu districts.

HEAVY RAINFALL WARNING:

Tomorrow (08.12.2021): Heavy rain is likely to occur at isolated places over Cuddalore, Ramanathapuram, Pudukkottai and Delta districts, Puducherry & Karaikal.

THUNDERSTORM WARNING:
Tomorrow(08.12.2021) Thunderstorm with lightning is likely to occur at isolated places overTamil Nadu.

LOCAL FORECAST FOR CHENNAI CITY AND NEIGHBOURHOOD:
For next 24 HRS: Sky condition is likely to be partly cloudy. Light rain is likely to occur in some areas. Maximum and minimum temperature is likely to be around 31˚C and 24 ˚C respectively.

Reference:
http://imdchennai.gov.in/tn_fc.pdf
http://www.imdchennai.gov.in/hrw_district.htm