Monsoon season is in full swing across the Philippine archipelago, with the Southwest Monsoon — locally called the Habagat — tightening its hold over Northern and Central Luzon as of Sunday, June 7, 2026. The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) released its 24-hour public weather forecast at 4:00 AM, warning of scattered rains, thunderstorms, and potential flash floods and landslides affecting multiple regions until 4:00 AM the following Monday, June 8.
The forecast covers the entire Philippine archipelago — from the northernmost tip of Batanes down to Tawi-Tawi in the southern Sulu Sea. PAGASA is urging the public nationwide to stay weather-aware and take precautions accordingly.
The Monsoon System: What Is Driving Today's Weather
The Southwest Monsoon is a recurring seasonal weather pattern that typically dominates the western side of the Philippines from June through September each year. According to PAGASA, moisture-heavy winds moving in from the southwest interact with the country's mountainous terrain — most prominently in Luzon — generating significant cloud formation, widespread rainfall, and the potential for severe thunderstorm activity.
PAGASA's official synopsis for June 7, 2026 confirms that the Southwest Monsoon is the primary weather system currently affecting Northern and Central Luzon. Separate from the monsoon, however, daytime heating of the land surface is also expected to trigger localized thunderstorms across the rest of the country throughout the afternoon and evening hours.
Luzon Bears the Brunt of the Monsoon
Ilocos Norte and Ilocos Sur: Occasional Rains
Along the northernmost stretch of Luzon's western coastline, PAGASA forecasts occasional rains for Ilocos Norte and Ilocos Sur throughout the forecast validity period. While described as occasional rather than continuous, residents should remain vigilant. Brief but intense rain bursts are possible, and whenever rainfall becomes sustained or heavy, the risks of flash flooding and landslides rise considerably.
Metro Manila, CAR, and Central Luzon: Cloudy Skies, Scattered Rains, and Thunderstorms
A significantly larger and more heavily impacted zone covers a broad swath of Luzon. Metro Manila — home to more than 13 million people — is forecast by PAGASA to experience cloudy skies with scattered rains and thunderstorms driven directly by the Southwest Monsoon. Commuters, outdoor workers, and motorists in the capital region should anticipate wet, unpredictable conditions that can intensify without much warning throughout the day.
The same weather outlook applies to a wide belt of provinces, according to the PAGASA forecast. These include the Cordillera Administrative Region (CAR) — covering the highland provinces of Abra, Apayao, Benguet, Ifugao, Kalinga, Mountain Province, and Baguio City — as well as the lowland provinces of Pampanga, Bataan, Tarlac, Bulacan, Rizal, Cavite, and Batangas. The remainder of the Ilocos Region, specifically La Union and Pangasinan, falls under this same advisory.
PAGASA explicitly flags the possibility of flash floods or landslides due to moderate to at times heavy rains across this entire zone. Residents living alongside rivers, near drainage channels, or in communities situated on or near steep slopes are strongly advised to monitor local government advisories and be prepared to evacuate quickly should conditions worsen.
"Possible flash floods or landslides due to moderate to at times heavy rains" — PAGASA, 24-Hour Public Weather Forecast, 4:00 AM, June 7, 2026
Visayas and Mindanao: Localized but Still Risky
For the Visayas and Mindanao regions — which PAGASA collectively describes as "the rest of the country" in its forecast — the weather picture is comparatively calmer but still not without hazard. Partly cloudy to cloudy skies with isolated rain showers or thunderstorms are expected, driven not by the monsoon system itself but by localized convective thunderstorm activity triggered by daytime solar heating.
This distinction matters: while continuous, widespread monsoon rainfall is less likely outside of Luzon, sudden and powerful afternoon or evening thunderstorms can develop rapidly across the Visayas and Mindanao. PAGASA warns that even these isolated systems carry the risk of flash floods or landslides during severe thunderstorm episodes.
Areas including Eastern Visayas, Western Visayas, Central Visayas, Zamboanga Peninsula, Northern Mindanao, Davao Region, SOCCSKSARGEN, BARMM, Caraga, and all surrounding areas outside the Luzon monsoon belt should not disregard today's forecast simply because it uses less alarming language. Localized thunderstorms can be rapid in development and severe in impact, particularly in low-lying areas and mountainous terrain.
Wind and Coastal Sea Conditions
Wind patterns today reflect the dominance of the monsoon over the northern Philippines. According to PAGASA, Northern and Central Luzon will see moderate southwest winds consistent with the monsoon flow direction. Coastal waters in these areas are expected to be moderate, with wave heights ranging from 1.2 to 2.1 meters. Fisherfolk and small boat operators in these waters are urged to exercise heightened caution before heading out to sea.
For the rest of the country, PAGASA forecasts light to moderate winds blowing from the southeast to southwest. Coastal waters will be slight to moderate, with wave heights between 0.6 and 1.5 meters — generally manageable conditions for most vessels, although small bancas and outrigger boats should still proceed carefully.
Metro Manila Temperature and Humidity Data
Based on readings from the PAGASA Weather Station located at Science Garden in Diliman, Quezon City, temperatures in Metro Manila during the 24-hour period ending 8:00 PM on June 6, 2026 ranged from a minimum of 25.3°C recorded at 5:00 AM to a maximum of 29.9°C recorded at 2:00 PM. Relative humidity during the same period swung between 71% and 93%, reflecting the muggy, moisture-saturated air that characterizes the monsoon season.
On rainy, overcast days such as today, peak temperatures in Metro Manila may fall slightly below the previous day's highs. However, PAGASA notes that the high humidity combined with brief sunny intervals during rain breaks can still produce uncomfortable, oppressive conditions for residents and commuters alike.
Manila Bay Tidal Forecast
For coastal communities around Metro Manila, PAGASA — drawing on tidal predictions provided by the National Mapping and Resource Information Authority (NAMRIA) — reports the following Manila Bay tidal schedule for June 7, 2026: a high tide of 1.09 meters at 1:54 PM and a low tide of 0.05 meters at 10:39 PM. Coastal residents are advised to account for these tidal levels when assessing combined flood risks from both storm runoff and sea-level conditions.
Astronomical Reference Points
For Metro Manila, PAGASA notes that sunrise is at 5:26 AM and sunset at 6:24 PM on June 7. The moon is set to rise at 11:38 PM and set at 10:55 AM, currently at 59% illumination in a waxing gibbous phase.
Safety Reminders for All Filipinos
Whether one is in monsoon-lashed Metro Manila or in areas of Mindanao where only isolated afternoon thunderstorms are likely, the hazard advisories issued by PAGASA underscore a consistent message: the rainy season demands constant vigilance. The following safety reminders apply across all regions today.
Stay away from flood-prone areas. Even a brief but intense downpour can rapidly inundate low-lying neighborhoods, underpasses, and riverbanks. Do not attempt to wade through or drive across flooded roads or bridges under any circumstances.
Monitor for landslide risks. Communities located near slopes, hillsides, or mountain ranges — particularly in the CAR, Ilocos provinces, and Rizal — should watch closely for signs of prolonged soil saturation and heed any evacuation orders from local authorities promptly.
Keep communication lines open. Residents are encouraged to stay tuned to official PAGASA bulletins, local government unit announcements, and emergency broadcast systems for real-time updates as weather conditions evolve throughout the day and into the night.
Secure property and prepare emergency kits. Those in areas at elevated risk — especially near waterways and steep terrain — should secure loose items, prepare go-bags with essentials, and know the location of the nearest evacuation center in their community.
PAGASA continues to monitor the Southwest Monsoon system and will issue updated forecasts and severe weather bulletins as conditions develop. The public is advised to check the agency's official channels for the latest information.
Originally reported by: BreakingNewsNegOr / Balita (breakingnewsnegor.com)