MUMBAI, July 6 -- The India Meteorological Department (IMD) placed Mumbai under a yellow alert, indicating heavy to moderate rainfall, till Monday. 'Heavy' to 'very heavy' rainfall at places accompanied by strong surface winds at 45-55kmph is expected, said IMD. Since the onset of the monsoon in May, the city has seen occasional spells of heavy rain and cloudy days. As of 8.30am on Saturday, the Colaba weather station recorded 9mm of rainfall while the city's Santacruz station received 34mm. Palghar and Raigad districts will be under orange alert on Sunday. Raigad will remain under orange alert till Monday. The temperature forecast for today and tomorrow is between 30degC and 25degC. It is expected to be a generally cloudy day accompanied by heavy rain. After July 7, cloudy sky is forecast to persist but with moderate rainfall.htc...