Three areas are forecast to register the highest record of heat index at 41°C on Thursday, the state weather bureau said.
In its latest heat index bulletin, the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (Pagasa) said that these areas will hit 41°C hit index: Cotabato City, Maguindanao; Tuguegarao City, Cagayan; and Aparri, Cagayan.
Meanwhile in Metro Manila, Ninoy Aquino International Airport in Pasay City and Science Garden in Quezon City will reach heat indices of 38°C and 37°C, respectively.
These areas are under the ‘extreme caution’ category where heat indices range from 33°C to 41°C. With this, Pagasa warned that this may cause heat stroke and heat exhaustion while continued exposure to the sun may lead to heat stroke.
The Department of Health earlier advised the public to stay hydrated, eat juicy fruits, limit beverages high in caffeine, reapply sunblock regularly, and wear comfortable clothing.
Other areas are also forecast to experience ‘extreme caution’ level of heat indices:
40°C
Laoag City, Ilocos Norte
Dagupan City, Pangasinan
Baler, Aurora
CLSU-Muñoz, Nueva Ecija
TAU-Camiling, Tarlac
Puerto Princesa City, Palawan
Aborlan, Palawan
Iloilo City, Iloilo
Dumangas, Iloilo
La Granja, La Carlota, Negros Occidental
Hinatuan, Surigao del Sur
39°C
Butuan City, Agusan del Norte
Davao City, Davao del Sur
Borongan, Eastern Samar
Catbalogan, Western Samar
Siquijor, Siquijor
CBSUA-Pili, Camarines Sur
Daet, Camarines Norte
Cuyo, Palawan
San Jose, Occidental Mindoro
Coron, Palawan
Alabat, Quezon
Sangley Point, Cavite City, Cavite
Hacienda Luisita, Tarlac City
San Ildefonso, Bulacan
ISU-Echague, Isabela
Bacnotan, La Union
MMSU-Batac, Ilocos Norte
38°C
NAIA-Pasay City, Manila
Sinait, Ilocos Sur
Casiguran, Aurora
Cubi Pt., Subic Bay. Olongapo City
Calapan, Oriental Mindoro
Masbate City, Masbate
Legazpi City, Albay
Virac, Catanduanes
Roxas City, Capiz
Mambusao, Capiz
Catarman, Northern Samar
Tacloban City, Leyte
VSU-Baybay, Leyte
Guiuan, Eastern Samar
Maasin, Southern Leyte
General Santos City, South Cotabato
37°C
Surigao City, Surigao del Sur
Laguindingan Airport, Misamis Oriental
Zamboanga City, Zamboanga del Sur
Mactan International Airport, Cebu
Panglao International Airport, Bohol
Dumaguete City, Negros Occidental
BIA-Daraga, Albay
Romblon, Romblon
NAS-UPLB, Los Baños, Laguna
Infanta, Quezon
Ambulong, Tanauan, Batangas
Tayabas City, Quezon
Clark Airport, Pampanga
NVSU-Bayombong, Nueva Vizcaya
Science Garden, Quezon City, Metro Manila
36°C
Calayan, Cagayan
Iba, Zambales
CvSU-Indang, Cavite
Juban, Sorsogon
BU-Guinobatan, Albay
Dipolog, Zamboanga del Norte
35°C
CMU-Agromet, Musuan, Bukidnon
Mulanay, Quezon
Itbayat, Batanes
34°C
Abucay, Bataan
33°C
Basco, Batanes
Malaybalay, Bukidnon
Meanwhile, Pagasa on Wednesday issued El Niño Alert, where there is now a 79% chance of the phenomenon emerging in June-July-August 2026 season and may persist until early 2027. The agency noted that there is now an increased probability of ‘drier-than-usual’ conditions, which can bring dry spells and drought in some parts of the country.
It added that above-normal rainfall conditions will prevail over the western section of the country during the southwest monsoon or habagat season.