A Western Disturbance is seen as a cyclonic circulation over north Pakistan & neighbourhood in lower tropospheric levels. Light rainfall and snowfall activity likely over Jammu & Kashmir. Subtropical westerly Jet Stream with core winds of the order of 125 knots at 12.6 km above mean sea level is prevailing over the plains of northwest & northeast India. A cyclonic circulation lies over northeast Assam & neighbourhood in lower tropospheric levels. Under their influence, Light rain with thunderstorms and lightning likely in Arunachal Pradesh, Assam, Nagaland, Manipur, Mizoram, Tripura, West Bengal, Sikkim, and Meghalaya today. Heavy rainfall is expected in Arunachal Pradesh. Gradual fall in minimum temperatures by about 2℃ likely over Northwest India during next 3 days and no significant change thereafter. No significant change in minimum temperature likely over Central India during next 24 hours and gradual fall by 2-4℃ thereafter. No change in minimum temperature likely over East India during next 48 hours and gradual fall by 2- 3℃ thereafter. Gradual fall in minimum temperatures by 2-3℃ likely over Maharashtra region during next 3 days and no significant change thereafter. No significant change in minimum temperature over remaining parts of the country during next 5 days. Cold Wave conditions very likely in isolated pockets of Himachal Pradesh. Dense fog conditions very likely to continue to prevail during early morning hours in isolated pockets of Bihar and West Bengal till tomorrow.