Hyderabad, April 26 (UNI) Heatwave conditions are likely to prevail at isolated places in Mancherial, Nirmal, Nizamabad, Jagityal, Peddapalli, Jayashankar Bhupalpally, Mulugu, Bhadradri Kothagudem, Khammam, Nalgonda, Suryapet, Kamareddy, Nagarkurnool, Wanaparthy, Jogulamba Gadwal districts of Telangana during the next 24 hours, the Meteorological Centre said on Friday.