ZAMBOANGA CITY, Philippines – Residents across Mindanao should continue to prepare for unstable weather conditions over the next 24 hours as the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) forecasts partly cloudy to cloudy skies with isolated rainshowers and localized thunderstorms throughout the island.
According to the Regional Weather Forecast issued by PAGASA’s Mindanao Regional Services Division (MINPRSD) at 5:00 a.m. on Tuesday, July 28, 2026, the weather pattern affecting the entire island is expected to persist until 5:00 a.m. on Wednesday, July 29.
While much of Mindanao will experience generally fair weather for extended periods, PAGASA cautioned that localized thunderstorms may develop suddenly, bringing heavy rainfall capable of triggering flash floods and landslides, particularly in low-lying communities, flood-prone areas, and mountainous terrain.
Weather Conditions Across Mindanao
The forecast covers all regions of Mindanao, including the Zamboanga Peninsula, Northern Mindanao, Davao Region, SOCCSKSARGEN, Caraga Region, and the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM).
Throughout these areas, residents can expect:
- Partly cloudy skies becoming cloudy at times;
- Isolated rainshowers and thunderstorms, particularly during the afternoon and evening;
- Light to moderate winds generally blowing from the south to southwest, while portions of Caraga and some northern coastal provinces may experience winds from the northwest to west;
- Slight to moderate coastal waters with wave heights ranging from 0.6 to 1.5 meters, making sea travel generally manageable but requiring caution during thunderstorms.
Temperatures Remain Warm
Despite the possibility of rain, daytime temperatures across Mindanao will remain relatively warm.
Forecast temperatures include:
- Zamboanga Peninsula: 23°C to 33°C
- Northern Mindanao: 21°C to 33°C
- Davao Region: 23°C to 33°C
- SOCCSKSARGEN: 22°C to 32°C
- Caraga Region: 23°C to 34°C
- BARMM: 21°C to 33°C
The warmest daytime temperatures are expected in portions of Caraga, particularly Agusan del Norte, Surigao del Norte, Surigao del Sur, and Dinagat Islands, where temperatures may reach 34°C.
Meanwhile, the coolest overnight temperatures are forecast over the higher elevations of Bukidnon, Lanao del Norte, and Lanao del Sur, where temperatures may fall to 21°C.
Areas Covered
The forecast includes the following provinces and cities:
Zamboanga Peninsula
- Zamboanga City
- Zamboanga del Norte
- Zamboanga del Sur
- Zamboanga Sibugay
- Isabela City
Northern Mindanao
- Bukidnon
- Camiguin
- Lanao del Norte
- Misamis Occidental
- Misamis Oriental
Davao Region
- Davao de Oro
- Davao del Norte
- Davao del Sur
- Davao Oriental
- Davao Occidental
- Metro Davao
SOCCSKSARGEN
- North Cotabato
- South Cotabato
- Sultan Kudarat
- Sarangani
Caraga Region
- Agusan del Norte
- Agusan del Sur
- Surigao del Norte
- Surigao del Sur
- Dinagat Islands
BARMM
- Cotabato City
- Basilan
- Lanao del Sur
- Maguindanao del Norte
- Maguindanao del Sur
- Sulu
- Tawi-Tawi
Mariners Advised to Remain Vigilant
PAGASA reported that coastal waters surrounding Mindanao will remain slight to moderate, with waves ranging from 0.6 to 1.5 meters. These conditions are generally favorable for most marine activities; however, fishermen, small boat operators, and other sea travelers are urged to remain alert for sudden thunderstorms, which can produce strong wind gusts, rough seas, reduced visibility, and lightning.
Public Advisory
PAGASA reminded the public not to be complacent despite the generally fair weather outlook. Localized thunderstorms can rapidly develop, producing intense rainfall within a short period that may lead to flooding in urban areas, overflowing rivers, and landslides in vulnerable communities.
Motorists are advised to exercise caution during heavy downpours due to slippery roads and reduced visibility, while residents living near rivers, creeks, and mountain slopes should closely monitor weather bulletins and advisories issued by PAGASA and their respective local disaster risk reduction and management offices.
Authorities also encourage the public to stay updated through official weather advisories as localized thunderstorms remain difficult to predict and may intensify with little warning.