MANILA— The frontal system affecting extreme extreme northern Luzon will cause rains over the area, state weather agency Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said Sunday.
In its 24-hour forecast, PAGASA said cloudy skies with moderate to occasionally heavy rains and thunderstorms which may trigger flashfloods and landslides is expected over Ilocos, Cordillera and Batanes.
The agency also cited that the southwest monsoon is affecting the western part of northern and central Luzon.
Cloudy skies with light to moderate rains and thunderstorms may prevail over central Luzon and the rest of Cagayan Valley region.
Metro Manila and the rest of the country may experience partly cloudy to cloudy skies with rainshowers or thunderstorms.
Meanwhile, light to moderate winds will blow from southwest to south over Luzon, and from southeast to south over Visayas and Mindanao.
Coastal waters throughout the archipelago will be slight to moderate, PAGASA said.