The State is likely to receive isolated heavy rains for the next four days under the influence of westerly winds from Arabian Sea, according to a weather bulletin issued by the India Meteorological Department (IMD).
A yellow alert has been sounded in eight districts from Thiruvananthapuram to Thrissur on Sunday, warning of isolated heavy rains (15.5 mm to 64.4 mm rains in 24 hours).
The conditions are becoming favorable for monsoon onset over Kerala during the next two-three days. The conditions were also favourable for further advance of southwest monsoon into some more parts of Arabian Sea and Lakshadweep area during the same period, said the bulletin.