Manila, Jan. 12 -- Parts of the country will experience rain on Monday due to three prevailing weather systems.

Scattered rains and isolated thunderstorms caused by the shear line are forecast in Cagayan, Isabela, Aurora, and Quezon, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said.

Moderate to heavy rains in those areas could result in flash floods or landslides.

The northeast monsoon or "amihan" will prevail across the Cordillera Administrative Region and the rest of Cagayan Valley bringing light rains.

"Amihan" will also bring isolated light rains in Metro Manila, Ilocos Region, and the rest of Central Luzon.

The rest of the country will experience isolated rain showers or thundersto...