Under present weather conditions, Southwest Monsoon affecting Luzon and the western section of Visayas.
The 12-hour rainfall forecast is Light to moderate rains and thunderstorms.
WATERCOURSES LIKELY TO BE AFFECTED :

+ **Zambales** - Rivers and its tributaries particularly Pamatawan, Sto. Tomas, Bucao, Bancal and Lawis.
+ **Bataan** - Rivers and its tributaries particularly Balanga and Morong.

Rainfall Advisory No. 4 #NCR_PRSD
Weather System: Southwest Monsoon (Habagat)
Issued at: 5:00 PM, 16 August 2026(Sunday)

Light to moderate with occasional heavy rains are expected over Batangas(Nasugbu, Lian, Tuy, Calatagan, Balayan) and Quezon(General Nakar, Real, Infanta, Sampaloc, Mauban, Polillo, Panukulan, Burdeos, Patnanungan, Jomalig, Lucban, Tayabas, Candelaria, Dolores, Tiaong, Sariaya, Unisan, Gumaca, Lopez, Calauag, Guinayangan, Tagkawayan, Buenavista, Macalelon, Pitogo, Catanauan, General Luna, Mulanay, San Narciso, San Francisco, San Andres).

Light to moderate with occasional heavy rains affecting Metro Manila, Pampanga, Tarlac, Nueva Ecija, Rizal(San Mateo, Antipolo, Rodriguez), Laguna(Santa Maria, Pakil, Pangil, Mabitac, Siniloan, Famy, San Pedro), Bulacan(Pulilan, Baliuag, Bustos, Plaridel, Pandi, Balagtas, Bocaue, Santa Maria, Meycauayan, Marilao, Obando, Bulakan, Guiguinto, Malolos, Calumpit, Paombong, Hagonoy, San Jose del Monte, San Miguel), Bataan(Limay, Orion, Pilar, Balanga), Zambales(San Antonio, San Marcelino, San Narciso, San Felipe, Botolan, Cabangan, Iba, Palauig, Masinloc, Candelaria, Santa Cruz) and Cavite(Rosario, Bacoor, Imus, Kawit, General Trias, Tanza, Cavite City, Noveleta, Dasmarinas) and may affect nearby areas.

The public and the Disaster Risk Reduction and Management Offices concerned are advised to MONITOR the weather condition and watch for the next warning to be issued at 8:00 PM today.
For more information and queries, please call telephone numbers 8927-1335 and 8927-2877 or log on to www.pagasa.dost.gov.ph.

Rainfall Advisory No. 65 #NLPRSD
Weather System: Southwest Monsoon (Habagat)
Issued at 05:00 PM 16 August 2026

Light to Moderate to at times Heavy rains are expected over #Batanes(Basco, Ivana, Mahatao, Sabtang, Uyugan), #Isabela(Aurora, Burgos, Cabatuan, Luna, ReinaMercedes, SanManuel, SanMateo), #Quirino(Cabarroguis, Diffun, Saguday), #NuevaVizcaya(Quezon, Bayombong, Kasibu, DupaxDelNorte), #Apayao(Calanasan, Luna, SantaMarcela), #Kalinga(Lubuagan, Pasil, Tanudan, Tinglayan), #MountainProvince(Sadanga, Bontoc, Sagada, Barlig, Sabangan, Bauko, Tadian), #Ifugao(Banaue, Hingyon, Hungduan), #Cagayan(Allacapan, Piat, Tuao, SantoNiño, Rizal, Lasam, LalLo, Gattaran, SanchezMira, Claveria, SantaPraxedes, Pamplona, Ballesteros, Abulug, Aparri, Camalaniugan, Gonzaga, SantaTeresita and Buguey) within the next 2 to 3 hours.

The above conditions are being experienced in #Benguet, #LaUnion, #IlocosSur, #IlocosNorte, #Pangasinan, #Batanes(Itbayat), #Isabela(Alicia, Angadanan, BenitoSoliven, Cabagan, CityOfCauayan, Cordon, Dinapigue, Divilacan, Echague, Gamu, IlaganCity, Jones, Maconacon, DelfinAlbano, Mallig, Naguilian, Palanan, Quezon, Quirino, Ramon, Roxas, SanAgustin, SanGuillermo, SanIsidro, SanMariano, SanPablo, SantaMaria, CityOfSantiago, SantoTomas, Tumauini), #Aurora, #Quirino(Aglipay, Maddela, Nagtipunan), #NuevaVizcaya(AlfonsoCastaneda, DupaxDelSur, Aritao, SantaFe, Kayapa, Ambaguio, Villaverde, Bagabag, Solano, Bambang, Diadi), #Abra, #Apayao(Flora, Kabugao, Pudtol, Conner), #Kalinga(Balbalan, Pinukpuk, Rizal, CityOfTabuk), #MountainProvince(Besao, Paracelis, Natonin), #Ifugao(AlfonsoLista, Aguinaldo, Mayoyao, Lagawe, Lamut, Kiangan, Asipulo, Tinoc), #Cagayan(Calayan, Peñablanca, Enrile, Solana, TuguegaraoCity, Iguig, Baggao, Alcala, Amulung and SantaAna) which may persist within 2 to 3 hours and may affect nearby areas.

The public and the Disaster Risk Reduction and Management Offices concerned are advised to MONITOR the weather condition and watch for the next warning to be issued at 08:00 PM Today.

All are advised to take precautionary measures against the impacts associated with these hazards. Residents along mountain slope are advised for possible landslides, mudslides, rockslides and flash flood.