Orange alert has been issued in six districts - Ernakulam, Thrissur, Malappuram Kozhikode and Wayanad - on Tuesday.
Collectors of Kozhikode and Thrissur announced a holiday for all educational institutions in the districts on Tuesday as several areas were still inundated and relief camps were functioning in several schools.
The Kerala State Disaster Management Authority announced orange alert as these districts are likely to have heavy to very heavy rain in the next 24 hours.
Officials have also been asked to take precautions and open control rooms at taluk levels.
Yellow alert has been issued in Pathanamthitta, Palakkad and Kasaragod.
Separately, two more bodies were recovered from debris in Kavalappara near Nilambur in Malappuram. With this, 15 bodies have been recovered from the spot where a massive landslide wreaked havoc. Search operations were continuing to recover the over 50 bodies in the debris there, besides seven at Puthumala in Wayanad.
According to officials, the death toll over the last four days stood at 78. Over as 2.47 lakh people have been moved to the 1,639 relief camps in the State.
Official sources put the number of houses fully damaged at 286 and 2,966 partially destroyed. In all 47.42 lakh electric posts were damaged families without power.