MANILA, March 15 -- It will be a hot Sunday in several areas as per the forecast of weather bureau stations.

As of the 5 p.m. data Saturday from Virac, Catanduanes and Zambaonga City, Zamboanga del Sur, they will experience a "danger" heat index of 42 degrees Celsius.

"Extreme caution" reading at 41 degrees is forecast in Cuyo, Palawan; and Masbate City, Masbate; and 40 degrees in Legazpi City and Guinobatan, Albay; Dumangas, Iloilo; Catarman, Northern Samar; Davao City, Davao del Sur; Cotabato City, Maguindanao; and General Santos City, South Cotabato.

On Saturday, Zamboanga City and Virac were under 42 and 43 degrees heat indexes, respectively.

In contrast, La Trinidad, Benguet and Baguio City were at a "not hazardous" 24 and 25 de...