According to the Meteorological Centre, Bhubaneswar, the temperature crossed 40 degree Celsius mark at 27 places of the State, while eight places recorded 43 degree Celsius or more on Monday.
Balangir was recorded as the hottest place in the State with a maximum temperature of 44 degree Celsius.
Next to Balangir, Titilagarh stood at 43.8 degree Celsius, Angul at 43.7 degree Celsius, Sonepur at 43.4 degree Celsius, Baripada & Jharsuguda each at 43.2 degree Celsius, Talcher & Sambalpur each at 43 degree Celsius.
Bhubaneswar and Cuttack recorded 40.8 degree Celsius and 40.2 degree Celsius respectively.
Meanwhile, the IMD issued a yellow warning of heatwaves in many districts of the State for the next five days. The districts that are likely to experience heat wave condition are Angul, Sonepur, Boudh, Cuttack, Nayagarh and Khordha.
The weathermen also advised people to take precautionary measures for hot weather while going outside during day time between 11 am to 3 pm.