This came as the India Meteorological Department's regional office in Tamil Nadu issued a yellow alert for some districts in Tamil Nadu from 3 am in the early hours of Tuesday to 10 am in the morning.
Odisha's Department of School and Mass Education has directed all the Districts Collectors to reopen the schools, closed due to summer vacation, from Thursday.
On Saturday, Odisha's Sonepur recorded the highest day temperature at 45.6 degrees Celsius. Bhubaneshwar recorded the highest day temperature at 44.6 degrees Celsius,
All schools up to class 12 both Government Aided and Private along with all the Anganwadi Centre will remain closed in Odisha on April 19-20 in view of the prevailing heatwave conditions in the state.
In the wake of continuous heavy rainfall, schools and educational institutes in two districts of Tamil Nadu - Nagapattinam and Thiruvarur - have been shut for a day.