Thiruvananthapuram: The weather forecast has warned that the heat in six districts of the state could rise from 4° C on Monday. Palakkad, Kozhikode, Kottayam, Alappuzha, Kollam, and Thiruvananthapuram districts are likely to be hot. In other districts, the temperature may rise to three degrees. Meanwhile, the Met department said that rains would also be received in some parts of Thrissur, Pathanamthitta, Kollam, and parts of Alappuzha and even in coastal areas of Ernakulam. It is expected that rain would come in the next two days.