Chennai, according to India Meteorological Department, the south west monsoon is very likely to hit Kerala on June 9 following favourable conditions.

IMD said, "In view of the strengthening of cross equatorial flow and deepening of westerlies over South Arabian sea and development of feeble off-shore trough along Karnataka-Kerala coast, onset of (southwest) monsoon over Kerala is very likely by June 9".

The regional weather officer said, that rains lashed many parts of Tamil Nadu in the last 24 hours ending 0830 hours today.

The weather office forecast rain at a few places in South Tamil Nadu and over one or two places in the northern parts of the state for the next 48 hours and thunderstorms were likely in Chennai during the period.