Today(28.12.2021) & Tomorrow (29.12.2021)
Light/moderate rain is likely to occur at isolated places over coastal Tamilnadu,Puducherry & Karaikal area.
Mainly dry weather is likely to prevail over rest Tamilnadu.

FOG/MIST WARNING:
Today (28.12.2021): Shallow fog/mist is likely to occur at isolated pockets over Tamilnadu.

LOCAL FORECAST FOR CHENNAI CITY AND NEIGHBOURHOOD:
For next 24 HRS:
Sky condition is likely to be mainly clear. Shallow fog/mist is likely to prevail over suburban areas.
Maximum and minimum temperature is likely to be around 30˚C and 21˚C respectively.

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