Manila, April 25 -- Fourteen areas in the country will experience sweltering temperatures due to a danger-level heat index, the weather bureau said Saturday.

Heat index is what the temperature feels like to the human body when relative humidity combines with air.

A peak heat index of 45C is forecast in Dumangas, Iloilo and Butuan City, Agusan del Norte, according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA).

The following areas will also see danger-level heat indices:

San Ildefonso, Bulacan - 43C Sangley Point, Cavite - 42C Aborlan, Palawan - 44C Roxas City, Capiz - 42C Mamburao, Capiz - 42C Iloilo City, Iloilo - 43C La Granja, La Carlota, Negros Occidental - 44C Catbalogan, Western Sam...