The Meteorological Department has mentioned that Southwest monsoon has been active over South interior Tamil Nadu. Rainfall occurred at a few places over Tamil Nadu.Rain or thundershowers would occur at a few places over Tamil Nadu. Isolated heavy rain may occur over Interior Tamil Nadu. As far as Chennai is concerned the sky condition would be generally cloudy. Rain or thundershower may occur in some areas. Maximum and minimum temperature would be around 34 and 27 deg Celsius respectively.