MANILA, Philippines — Three weather systems will continue to affect the Philippines on Thursday, bringing warm, humid weather to some areas and isolated rains and thunderstorms to others, the Philippine Atmospheric Geophysical and Astronomical Services Administration (Pagasa) said in its early forecast.

The Visayas and Mindanao will experience warm and humid weather due to the easterlies, Metro Manila, the Ilocos Region, Cagayan Valley, the Cordillera Administrative Region, and Central Luzon will have isolated rains while the Bicol Region, Cagayan, Isabela, Quirino, Aurora, Quezon, Oriental Mindoro, Marinduque and Romblon will have cloudy skies with scattered rains and isolated thunderstorms caused by a shear line, according to weather forecaster Chenel Dominguez.