Highs of 37 and 38C are being forecast for the weekend.
Fiesta highlights this week - the procession of the "triumphal carriage" of La Beata in Valldemossa, Pollensa's La Patrona gets under way, night parties and demons galore. Arta, Cala Millor, Colonia Sant Jordi, Inca among the locations. Otherwise there is the Night of Art in S'Arraco (Andratx), while Rudimental and Example appear in Magalluf.
Highs in the Balearics are forecast to be up to 36C this week, with the mainland sweltering with 42C.
Fiestas this week in Alcudia, Inca, Manacor, Portocolom, Santanyi, Valldemossa and elsewhere. Music highlights include Gloria Gaynor in Port Adriano, American rock guitarist Steve Vai at Palma's Trui Theatre and the Mallorca Roots Festival at the Son Fusteret showground.
Aemet is warning that temperatures will rise over the weekend and is considering whether to put the island on a weather alert or not.