The weather report says that there could be isolated rain fall today in some places of Tamil Nadu and Puducherry. Chennai will be cloudy. There will be rain fall in some places in the city. Cyclone Lehar - the third powerful storm to hit Andhra Pradesh in seven weeks - is moving in from the Bay of Bengal and forecast to make landfall near the city of Machilipatnam on Thursday afternoon with wind speeds of up to 170 kmph (105 mph). It is significant to note that this cyclone will not have any impact in Tamil Nadu. The chief amounts of rainfall recorded in centimetres in Tamil Nadu are Mettupalayam (Coimbatore Dist) 2 and Sivagiri and Ayikudi (both Tirunelveli Dist) 1 each.