MANILA — For Filipinos going out this weekend for Christmas shopping rush, expect a cloudy and rainy weather in most parts of the country due to various weather systems, state weather bureau PAGASA announced Friday.

A low pressure area, which was located earlier at 2 p.m. over the coastal waters of Vincenzo A. Sagun, Zamboanga del Sur, is forecast to bring rainfall this weekend on the following areas:

• Catanduanes

• Albay

• Sorsogon

• Samar

• Leyte

• Palawan

• Quezon

• Camarines Norte

• Camarines Sur

• Masbate

• Oriental Mindoro

• Marinduque

• Romblon

• Aklan

• Capiz

• Negros Occidental

• Negros Oriental

• Siquijor

• Cebu

• Bohol

• Zamboanga Peninsula

• Dinagat Islands

• Surigao del Norte

PAGASA warned that moderate to heavy rains may cause flash floods or landslides on vulnerable locations.

It also said that the LPA has a low chance of intensifying into a tropical depression within the next 24 hours.

Querubin weakens into LPA but will continue to drench central Philippines

Meanwhile, the shear line, where cold and humid air masses converge, is also likely to bring scattered rains and thunderstorms in Metro Manila, Bicol Region, Calabarzon, Eastern Visayas, and the rest of Mimaropa, the state weather bureau explained.

Over in northern Luzon, the amihan or the northeast monsoon is expected to cause cloudy skies with light rains in Cagayan Valley, Cordillera Administrative Region, and Aurora.