PAGASA warns of heavy rain, flooding in Luzon

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December 10, 2025 | 12:00am

MANILA, Philippines — The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) yesterday alerted the public to the likelihood of heavy rains and possible flooding in several parts of Luzon as the northeast monsoon interacts with a shear line draped across the region.

The shear line – a weather boundary that enhances rainfall – is expected to deliver light to moderate, at times heavy, rains tonight in Aurora, Quezon, Metro Manila, Rizal, Pampanga and Bulacan.

PAGASA urged residents in these areas to stay alert for flooding and landslides.

The monsoon, meanwhile, will continue to affect northern Luzon, including the Cordillera Administrative Region and Cagayan Valley, bringing overcast skies and rain.

Localized thunderstorms or sudden downpours may also develop in portions of Southern Luzon, the Visayas and Mindanao.

PAGASA noted that a low-pressure area earlier monitored southwest of Palawan is unlikely to have any impact on the country’s weather.

Temperatures in Metro Manila are expected to range from 24 to 31 degrees Celsius. Other areas may also experience intermittent rainfall that may affect temperatures, including Baguio (15 to 24 degrees Celsius), Legazpi (24 to 30 degrees Celsius) and Davao (24 to 34 degrees Celsius).

Mariners, meanwhile, were advised to exercise caution due to rough seas, particularly along the coastal waters of Luzon.

PAGASA said its three-day forecast from Thursday to Saturday shows the shear line will continue to influence northern Luzon, while the rest of the country may experience scattered or sudden showers.

Hazard mapping

To better protect communities from the growing threats of typhoons and earthquakes, Parañaque Rep. Brian Yamsuan urged the national government to strengthen its use of science-based strategies in disaster planning.

Through House Bill 4305, Yamsuan proposed making the production and regular updating of hazard maps mandatory for every city and municipality, integrating these tools into local planning and disaster risk reduction efforts.

These maps are meant to be integrated into disaster risk reduction programs and local development planning under what he calls the “Multi-Hazard Mapping Act.”

Citing the destruction from Super Typhoons Uwan and Tino and the recent strong earthquakes in the Visayas and Mindanao, which overwhelmed responders and strained government resources, Yamsuan urged agencies to employ modern technologies, infrastructure and nature-based solutions for disaster risk reduction. — Delon Porcalla