Thiruvananthapuram: Pre-monsoon rains brought down temperatures in some states while monsoon seemed set to hit Kerala within 48 hours, the India Meteorological Department (IMD) said on Wednesday. The temperature in several parts of Kerala rose on Tuesday but on Wednesday evening, dark clouds formed at many places, suggesting possible rains.

An IMD official forecast rains across Kerala in the next 24 hours. Fishermen have been warned about winds blowing 45 to 55 km an hour on the coast. Weather officials are analysing the data recorded at 14 weather stations located at the Lakshadweep, Kerala and Mangalore in Karnataka. The onset of monsoon is declared on the basis of amount of rain received at these 14 stations. Wind and cloud formations are other indicators.