Northeast Monsoon remains active in Tamil Nadu including Chennai, but intensity of rainfall will now decrease. The well-marked low pressure area over the region will weaken into a low pressure area. Temperatures are likely to drop in the plains of North India. <br /> <br />Read More: http://www.skymetweather.com/content/national-video/weather-forecast-for-november-18-2015-skymet-weather/ <br /> <br />Visit our website: http://www.skymetweather.com