MANILA – Expect a rainy start to the workweek on Monday, January 5, 2026, as three weather systems—the northeast monsoon (amihan), shear line, and easterlies—bring scattered rains and thunderstorms to many parts of the country, according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA).
Weather Breakdown by System
- Northeast Monsoon (Amihan): Cloudy skies with light rains over Cordillera Administrative Region, Cagayan Valley, Aurora, Quezon, the rest of MIMAROPA, and Bicol Region. Metro Manila and the rest of Luzon: Partly cloudy to cloudy with isolated light rains.
- Shear Line: Cloudy skies with scattered rains and isolated thunderstorms over Visayas, Catanduanes, Albay, Sorsogon, Masbate, and Palawan.
- Easterlies: Partly cloudy to cloudy skies with isolated rain showers or thunderstorms over Mindanao.
PAGASA warns of possible flash floods or landslides due to moderate to heavy rains, especially in vulnerable areas.
No tropical cyclone monitored inside or outside the Philippine Area of Responsibility.
Weather Outlook Snapshot (Monday, Jan 5, 2026):
| Region | Conditions | Possible Hazards |
|---|---|---|
| Northern/Central Luzon | Cloudy with light rains (amihan) | Minor flooding in low-lying areas |
| Southern Luzon/Visayas | Scattered rains/thunderstorms (shear line) | Flash floods/landslides |
| Mindanao | Isolated showers/thunderstorms (easterlies) | Localized flooding |
| Metro Manila | Partly cloudy; isolated light rains | Minimal impact |
Stay dry and safe—bring umbrellas and watch for flooding!