The local government of Taytay, Rizal, has issued a warning to its residents as the heat index reached a concerning 51.07 degrees Celsius on Thursday, May 28, 2026. This extreme temperature, reported by the Taytay Public Information Office, poses significant health risks, including heat cramps, heat exhaustion, and potentially life-threatening heat stroke. The advisory stresses the importance of taking precautions, such as staying hydrated and avoiding prolonged exposure to the heat. The Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) has classified heat indices between 42°C and 51°C as dangerous, emphasizing that heat stroke can lead to severe organ damage. This warning follows a previous reading of 49.15°C recorded on May 22, 2026. Residents are urged to remain vigilant as the hot season continues, with the rainy season expected to commence in late May or early June.