India Meteorological Department (IMD) has forecast isolated heavy rainfall over south Tamil Nadu, Kerala and Lakshadweep till Monday. It said isolated light rainfall is also likely today over Jammu, Kashmir, Ladakh, Gilgit-Baltistan and Muzaffarabad.<br />''<br />''IMD has forecast dense fog in isolated pockets of Punjab and Haryana during the morning hours of the next four days. Dense fog over Assam, Meghalaya and Tripura is also expected till Monday.<br />''<br />''The IMD forecast a gradual fall in minimum temperature by 2-3 °C over many parts of Madhya Pradesh and a rise in night temperature by 2 °C over many parts of Northwest India from Monday. It said no significant change is likely in minimum temperature over the rest part of the country for the next three to four days. <br />