Three things to know
- Rodízio applies to plates ending 5 and 6 — restrictions in effect 7h–10h and 17h–20h in the Centro Expandido.
- Fourth cyclone of 2026 forms today — a new low-pressure system off the Sudeste coast will intensify rain across the state, with potential for heavy accumulation through Saturday.
- INMET yellow alert extended through Saturday — risk of intense rain with thunder and wind gusts continues. Temperatures between 21°C and 27°C.
Traffic & Mobility
Rodízio applies today to plates ending in 5 and 6 during peak windows (7h–10h and 17h–20h) inside the Centro Expandido — the zone bounded by the Marginais Tietê and Pinheiros, Avenida dos Bandeirantes, and Avenida Salim Farah Maluf. Violations result in a R$130.16 fine and four points on the CNH.
The city entered a state of attention for flooding across all zones on Tuesday evening due to persistent rain. The CGE reported chuvas isoladas oscilando de intensidade throughout the day, with the heaviest accumulation in the Zona Sul. Expect similar conditions today with potential for localized traffic impacts during afternoon storms.
Weather & Alerts
A channel of moisture from the North combined with a new cyclone forming off the Sudeste coast will keep conditions unstable through Saturday. The INMET has issued a yellow alert (perigo potencial) for intense rain valid through February 7.
Wednesday forecast: Overcast with drizzle possible in the morning, followed by isolated to moderate rain showers throughout the afternoon and evening. Storms may be accompanied by lightning, wind gusts, and localized flooding. The abafado (muggy) conditions will persist, with humidity remaining high.
Regional risk areas:
- High risk: Vale do Paraíba, RMC (Campinas region), areas near Ribeirão Preto
- Medium risk: Região Metropolitana da Capital Paulista, Baixada Santista, Litoral Norte
The CGE warns that accumulated rainfall from recent days has saturated the soil, increasing the potential for flooding and stream overflow even with moderate additional rain. The crisis cabinet remains on remote standby.
Today’s Forecast
| Morning | Afternoon | Evening | |
|---|---|---|---|
| Sky | Overcast with drizzle | Cloudy with storms | Rainy, stabilizing |
| Rain | Drizzle/light showers | Moderate to strong | Continuing |
| Wind | Light | Moderate to strong | Moderate |
| Temp | 21°C | 27°C | 23°C |
February rainfall to date: approximately 50 mm (28% of the 181 mm monthly average).
Practical Guidance
- Avoid areas prone to flooding and do not attempt to cross inundated roads
- Stay away from trees, poles, and metal structures during storms
- Plan trips to minimize exposure during afternoon peak storm hours (14h–19h)
- Keep emergency numbers handy: Defesa Civil 199, Bombeiros 193
- Report power outages to Enel: 0800 72 72 120
- Check CET traffic updates before commuting: 156 or cetsp.com.br
Looking Ahead
The cyclone’s influence is expected to keep rain in the forecast through Saturday, with Thursday and Friday showing similar patterns of afternoon storms. Gradual improvement is expected by the weekend.
Rodízio this week:
- Thursday: plates 7 and 8
- Friday: plates 9 and 0
Sources: CET-SP, CGE-SP, Defesa Civil de São Paulo, INMET, Climatempo, Meteored. All figures from published reporting and official updates.
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