Hyderabad, Apr 30 (UNI) Heatwave condition is likely to prevail at isolated pockets in Nirmal, Nizamabad, Jagityal, Rajanna Sirsilla, Karimnagar, Peddapally, Mulugu, Khammam, Nalgonda, Suryapet, Mahabubabad, Medak, Kamareddy, Mahabubnagar, Nagarkurnool, Wanaparthi districts of Telangana during the next 24 hours, Meteorological Centre said on Tuesday.