Storm core locks onto the South-Eastern coastline & marine area - The intense heavy cell has shifted South-Eastward off the central catchments, locking directly onto the South-Eastern coastline and marine area. The heavy rain core (purple/red) is now over Kallang, Geylang and Marine Parade, with a massive intense cell dumping heavy rain directly over the sea south of Marine Parade and the Southern Islands. A moderate rain band (orange/yellow) runs along the central-east spine across Toa Payoh, Bishan, Serangoon, Paya Lebar and Bedok, while a light fringe (green/cyan) reaches Hougang, Sengkang, Seletar, Yishun and Woodlands. The City, Novena, Queenstown and Bukit Merah are down to lighter trailing rain as the main storm leaves the area, and western Singapore (Jurong West, Tengah, Choa Chu Kang, Clementi, Tuas) remains entirely clear.
Storm core intensifying over Downtown & Marina Bay - The heaviest rain cell (purple, red and orange on radar) has intensified directly over City Hall, Marina Bay and the Central Business District (CBD), with intense downpours reported across the downtown core.
Rain spreading south from Civic District - After developing over the Central Catchment Area around MacRitchie Reservoir and TreeTop Walk, the storm spread south across the Civic District and Fort Canning towards the downtown core.
Storm develops over Central Catchment - A thunderstorm cell began developing over the MacRitchie Reservoir and TreeTop Walk area, prompting the NEA weather advisory at the 3:20 PM update.
The National Environment Agency (NEA) has issued a weather advisory warning that moderate to heavy thundery showers are expected to affect the southern, eastern, and central areas of Singapore between 3:45 PM and 4:45 PM today, 2 August 2026.
Analysis of the weather radar snapshots from 3:20 PM to 3:30 PM shows an intense thunderstorm cell expanding over the island's central core and tracking south and south-eastward towards the coast.
Live Rain Radar
The map below auto-updates with the latest NEA radar frame every 5 minutes. Brighter colours indicate heavier rainfall. The storm core over the downtown area is shown in red and purple.
Rain Progression & Tracking
Origin in the Central Region (3:20 PM)
The storm initially developed over the Central Catchment Area around MacRitchie Reservoir and TreeTop Walk, quickly spreading down towards the Civic District and Fort Canning.
Intensification over Downtown & Marina Bay (3:25 PM – 3:30 PM)
Between 3:25 PM and 3:30 PM, the heaviest rain cell (purple, red, and orange radar intensity) intensified directly over City Hall, Marina Bay, and the Central Business District (CBD).
Southward & Eastward Drift
The storm core is sweeping down across the Southern Islands, while the outer light-to-moderate rain band (green and cyan overlay) is drifting east towards East Coast Park.
Storm Trajectory & Direction
Based on the progression shown in the radar loop between 3:20 PM and 3:30 PM, the storm cell is tracking in a South-to-Southeast (SSE) direction while expanding eastward along the coast.
- Vector: Moving South-Southeast (SSE) towards the Singapore Strait and the Eastern coastline.
- Core behaviour: The heavy core (purple/red) is shifting off the central landmass and spreading across the coastal belt.
Area Forecast (After 3:45 PM)
1. High Impact Zone (3:45 PM – 4:15 PM)
- Locations: Bedok, Tampines, Pasir Ris, Marine Parade, Katong and East Coast Park as the storm sweeps further east.
- What to expect: Heavy downpours, frequent lightning, and gusty winds as the main storm centre sweeps across the south-eastern coastal belt.
- Southern Waters: Sentosa, St. John's Island, and the Southern Islands will continue to experience heavy rain before it pushes fully offshore.
2. Tail-End & Trailing Rain (4:15 PM – 4:45 PM)
- Locations: Changi Airport and Loyang, with central areas (Bishan, Toa Payoh, City) clearing up completely.
- What to expect: The far eastern tip picks up moderate trailing showers before the system pushes out to sea, while the central belt clears completely and only residual damp weather remains along the eastern coast.
Summary Timeline
| Time Window | Affected Areas | Rain Intensity |
|---|---|---|
| 3:45 PM – 4:15 PM | Bedok, Tampines, Pasir Ris, Marine Parade, East Coast | ⛈️ Heavy (Sweeping East) |
| 4:15 PM – 4:30 PM | Changi, Loyang; central areas clearing | 🌧️ Moderate |
| 4:30 PM – 4:45 PM | Singapore Strait / Offshore | 🌧️ Light (storm moving offshore) |
Key Locations & Landmarks Under Heavy Rain
High-Intensity Rain Core
- Downtown & Marina Bay: Gardens by the Bay, Esplanade, Singapore Flyer, Merlion Park, Lau Pa Sat, and National Museum.
- Central Reservoirs: MacRitchie Reservoir and TreeTop Walk.
- Southern Coastal & Resort Belt: Sentosa Island, Universal Studios Singapore, S.E.A. Aquarium, Fort Siloso, and Mount Faber.
Moderate to Light Fringe Rain
- East: Moving over East Coast Park and drifting towards coastal residential zones.
- North/West Outliers: Isolated, very light patches near Woodlands Checkpoint, Seletar Airport, and Tuas.
Safety Advisory
Lightning Danger
Thundery showers carry a risk of lightning strikes. Visitors currently at outdoor attractions — including Gardens by the Bay, Sentosa beaches, or nature trails like MacRitchie — should seek immediate shelter in enclosed buildings.
Road Conditions
Commuters and motorists along major expressways — including the CTE, MCE, and ECP — should expect reduced visibility and wet roads during the peak downpour period between 3:45 PM and 4:45 PM.
Stay safe in heavy rain
- Avoid low-lying areas prone to flash floods
- Slow down if you are driving
- Seek shelter if you hear thunder — lightning can strike even when rain has not yet started
- Check the 2-hour nowcast for the short-term rain outlook
For the latest warnings, visit the weather warnings page.