The IMD issued a 'red alert', forecasting extremely heavy rains at isolated places in Mumbai and neighbouring areas on Monday. The India Meteorological Department (IMD) issued a red alert for Mumbai, and neighbouring Thane and Raigad districts, forecasting heavy to very heavy rainfall at a few places and extremely heavy showers at isolated locations on Monday and Tuesday. 

It also issued a red alert for Ratnagiri district on Monday, and an orange alert for Sindhudurg on Monday and Tuesday. The IMD issued a orange alert for Palghar on Monday, while a red alert for the district on Tuesday.

Following the IMD alert, prompting the city civic body to declare a holiday for all schools and colleges, officials said.