THIRUVANANTHAPURAM: Central Meteorological Department has warned that there is a possibility of heavy rains in the state. Yellow alert has been announced in eight districts in the wake of the heavy rains warning. Yellow alert has been announced in Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Idukki, Kozhikode and Kannur districts for Friday, Pathanamthitta, Alappuzha, Kottayam, Ernakulam and Idukki districts for Saturday and Pathanamthitta, Alappuzha, Kottayam, Ernakulam and Idukki districts for Sunday. A chance of isolated heavy rain is predicted. 64.5 mm to 115.5 mm of rain is forecast in 24 hours.

According to the Central Meteorological Department, isolated thunderstorms and heavy rains with a speed of 30 to 40 kmph are likely in the state till June 12.