A vendor uses an umbrella for protection against the intense heat in Quezon City on Friday (April 10, 2026). The Philippine Atmospheric, Geophysical and Astronomical Services Administration said the heat index in parts of Metro Manila could reach 39°C to 41°C on Saturday (April 11). (PNA photo by Joan Bondoc)
Warm and humid weather is expected to persist across the country on Saturday, with the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) warning of dangerous heat levels in several areas.
In its 4 a.m. advisory, PAGASA said the country will continue to experience partly cloudy to cloudy skies, with isolated rain showers or thunderstorms likely to develop throughout the day.
Moderate winds and seas will affect the eastern section of Northern Luzon, while the rest of the archipelago will see light to moderate winds and slight to moderate coastal conditions.
The highest heat index forecast for the day was 43°C in Dumangas, Iloilo, placing the area under a danger-level heat category.
In Metro Manila, the heat index could range from 39°C to 41°C, signaling sweltering conditions that may pose health risks, especially during prolonged outdoor exposure.
Other areas expected to hit 41°C include Sangley Point in Cavite, Ambulong in Tanauan, Batangas, San Jose in Occidental Mindoro, and Zamboanga City.
PAGASA also placed several other areas under a 40°C heat index forecast, including Aparri and Tuguegarao City in Cagayan, Baler in Aurora, San Ildefonso in Bulacan, Hacienda Luisita in Tarlac City, Calapan in Oriental Mindoro, Coron and Aborlan in Palawan, Legazpi City in Albay, Iloilo City, Catbalogan in Western Samar, Dipolog in Zamboanga del Norte, Davao City, Cotabato City, and Butuan City.
Meanwhile, Severe Tropical Storm Sinlaku was last spotted nearly stationary some 2,715 kilometers east of Northeastern Mindanao, still outside the Philippine Area of Responsibility.
The storm was packing maximum sustained winds of 110 kilometers per hour near the center, with gusts reaching up to 135 kph.
