Partly cloudy to cloudy skies with isolated rain showers or thunderstorms may affect most of the country in the next 24 hours, said the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) on Sunday, Feb. 5.br br PAGASA said the entire Visayas and Mindanao, including the provinces of Oriental Mindoro, Occidental Mindoro, Marinduque, Romblon, Palawan, Albay, Catanduanes, Camarines Norte, Camarines Sur, Sorsogon, and Masbate will be affected by localized thunderstorms.