The Kerala State Disaster Management Authority (KSDMA) has asked people to be alert and not to trivialise the showers even if there is no lightning.
However, it said that isolated rain showers are likely in the coming days.
This will be accompanied by thunder and lightning.
A low pressure area has formed in Bay of Bengal, which has resulted in a cyclonic circulation.
The country has received nearly 190% more rain than the 30-year average in the quarter through August this year
If this spell is to continue, then all two shutters of Aruvikkara dam in Thiruvananthapuram are likely to be raised by 30 cm each.
Plum is loaded with boron that is one of the best elements to maintain the bone density.
Meanwhile, a low-pressure formation over the North Western Bay of Bengal, off the coast of Odisha and Bengal, is likely to intensify in the next 24 hours, warns IMD.
The gushing water will reach Kavalangad in Ernakulam district in 1 hour and 10 minutes. The water is estimated to reach Kaladi in 4 hours, Aluva in 9 hours and Varappuzha in 12 hours.
Three shutters of the Mullaperiyar Dam were opened by 30 cm earlier in the day to release 534 cubic feet of water. This was later doubled to well over 1,000 cubic feet to release excess water.