Lucknow, April 28 -- After a searing week, the intensity of the heat wave weakened across Uttar Pradesh, with the mercury dropping below 40 degrees Celsius at several places.

In the state capital, it was 39.4 degrees Celsius on Sunday, whereas the night temperature rose significantly, touching the 27.5 degrees Celsius mark, which is 4.4 degrees above normal.

The forecast for the next 24 hours for Lucknow is mainly clear to partly cloudy sky, with the maximum and minimum temperatures expected to be around 40 and 20 degrees Celsius, respectively.

Heat wave conditions, however, prevailed in Ballia, Bahraich, Sultanpur and Ghazipur in East UP. On Sunday, Ballia recorded the highest maximum day temperature, with the mercury rising to 42 deg...