Now, an upper-level W.D trough is seen tilted, N-W from central Asia to N-W India ... http://ow.ly/i/8xOTX 
This W.D trough is expected to become a N-S trough in 24hrs and drift into N-W India on Sunday and weaken .. http://ow.ly/i/8xP1v 

The W.D trough has already induced a weak low-level circulation over S,S-central Rajasthan ... http://ow.ly/i/8xPeR 
This low-level circulation is expected to drift East into N Madhyapradesh and fizzle out on Sunday noon... http://ow.ly/i/8xPne 

W.D low-level circulation is expected to give scattered rain over E,S-E Rajasthan, N,N-central,central Madhyapradesh, S U.P on 7,8-Feb.
On Saturday, Sunday ... some showers will push into S,central Uttarpradesh and N-E Madhyapradesh... http://ow.ly/i/8xPKa 
Delhi on 7,8-Feb...
Expected to be cloudy at times, a light rain possible and max,min temps will be around normal.

From Saturday, noon till Sunday, evening... Snow/rain expected over Kashmir and N Himachal.

For Tamilnadu coast... an easterlies is expected to reach on Monday noon ... http://ow.ly/i/8xNLf 

This easterlies is embedded with a weak low-level circulation over 5th parallel near S-E Srilanka coast on 9-Feb.. http://ow.ly/i/8xO61 

For coastal,central,N Tamilnadu...
Saturday, Sunday is going to be cloudy and warm till 2pm.
Morning will be mild around 22 C.

#Chennai will have another 3 mild mornings with temp hovering around 22/23 C.
Warm and partly cloudy day expected till 2pm.

Weather Instagram at February 06, 2015 at 09:28AM

Chennai - 7:15am, a mild February morning. Can get warm on 7,8-Feb. #weather

from Instagram