Rains and snowfall in several parts of Jammu and Kashmir, Himachal Pradesh and Uttarakhand on Saturday pulled the mercury down in the region. Tourists and locals are facing the wrath of extremely cold weather conditions. According to IMD, the mercury is expected to hover around 7 degrees Celsius over the next three days and dense fog is likely in the city and adjoining areas like Punjab, Haryana, Chandigarh, north Rajasthan and Uttar Pradesh on Sunday.