Mumbai witnessed light showers this morning and experiencing cloudy weather since yesterday. For the next 24 hours, IMD has forecast light to moderate spells of rain at isolated places over Mumbai city and suburbs. It said possibility of thunder and lightning is also very likely in isolated places. The observatory has predicted a cloudy sky for the next two days. Meanwhile, the head of climate research and services of IMD-Pune K S Hosalikar in a tweet asked people to take precautions while moving out as thunderstorms with lightning & light to moderate spells of rain with gusty winds reaching 30-40 kmph is very likely to occur at isolated places in districts of Palghar, Nasik, Dhule, Nandurbar in next 3-4hrs.<br />''<br />