Today Weather Update: The India Meteorological Department (IMD) has warned of rainfall in Delhi, Hyderabad and Ahmedabad, predicting a change in the weather pattern in the country. Hailstorms are likely in Himachal Pradesh, Jammu and Kashmir, Uttarakhand, Punjab, Haryana and Western Uttar Pradesh. The IMD has issued a yellow alert for Delhi for March 19 and 20.