Overview
- São Paulo logged 11.2°C on Monday, its coldest October morning since 2014, with state civil defense warnings active and emergency shelter and OBT services operating through midweek.
- Inmet maintains rain and wind alerts across multiple regions, forecasting 60–100 mm and gusts up to 60–100 km/h as a frontal system interacts with moisture drawn from the Amazon.
- Salvador and parts of Bahia report landslide risk, outages and transport disruption, with lanchas suspended and ferry service reduced under a Navy navigation warning.
- Weather disruptions extended to the Central‑West, where Brasília’s airport operator reported 17 departures canceled, diversions and delays during Monday’s storms.
- Forecasts call for cold mornings to hold through Wednesday before temperatures rise from Thursday, with heat near or above 30°C returning in some areas by the weekend.