Kolkata: A thundershower accompanied by lightning hit four South Bengal districts and some parts of the city on Sunday morning saving residents from the hot and humid condition.The rain has brought down the temperature by a few notches. Districts like North 24-Parganas, South 24-Parganas, Nadia and Murshidabad received moderate to heavy rainfall coupled with lightning from Sunday morning.The rain lasted for nearly two hours and the city remained cloudy. As the day progressed, the city dwellers witnessed light to moderate rainfall. Also Read – Rain batters Kolkata, cripples normal lifeA strong wind was blowing at 40-60 km/hour in some parts of South Bengal on Sunday.The regional meteorological centre at Alipore has predicted a possibility of thunderstorm in some South Bengal districts on Monday as strong moisture-laden southwesterly wind would blow in the area, creating a favourable environment for a storm.The city may also receive scattered rainfall in the next 24 hours as predicted by the weather office. It may be mentioned that vehicular movement on various stretches of the city remained slow following the rain. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedAccording to Alipore MeT office, there may be heavy rainfall in some North Bengal districts in the next 24 hours.It may be mentioned that the city witnessed moderate to heavy rainfall a few days ago due to cyclonic circulation that was earlier hovering over Gangetic Bengal.As a result, some parts of the city and adjoining areas witnessed scattered rainfall for the past few days. Situation was further intensified in South Bengal after a low pressure trough was formed over Bay of Bengal.According to a weather expert, the formation of thunder cloud over Gangetic plains has contributed to the rains.Multiple thunderstorms may swept through some parts of South Bengal till Monday.