17/08/2026
Weather Advisory No. 63
For: Southwest Monsoon
Issued at: Aug. 17, 2026, 11 a.m.
Heavy rainfall outlook due to Southwest Monsoon
Today to tomorrow noon (August 18)
(100-200 mm):
Benguet, La Union, Pangasinan, Zambales, and Bataan
(50-100 mm):
Ilocos Sur, Abra, Tarlac, Pampanga, Bulacan, Metro Manila, Rizal, Cavite, Batangas, and Occidental Mindoro
Tomorrow noon to Wednesday noon (August 19)
(100-200 mm):
Benguet, La Union, Pangasinan, Zambales, Bataan, and Occidental Mindoro
(50-100 mm):
Ilocos Sur, Tarlac, Pampanga, Bulacan, Metro Manila, Cavite, Batangas, Rizal, Laguna, and Antique
Wednesday noon to Thursday noon (August 20)
(100-200 mm):
Zambales, Bataan, and Occidental Mindoro
(50-100 mm):
Ilocos Sur, La Union, Benguet, Pangasinan, Tarlac, Pampanga, Bulacan, Metro Manila, Rizal, Cavite, Laguna, and Batangas
Forecast rainfall may be higher in mountainous and elevated areas. Moreover, impacts in some areas may be worsened by significant antecedent rainfall.
The public disaster risk reduction and management offices concerned are advised to take all necessary measure to protect life and property. PAGASA Regional Services Divisions may issue Heavy Rainfall Warnings/Thunderstorms Advisories, and other severe weather information specific to their areas of responsibility as appropriate.