Brazil’s National Institute of Meteorology (INMET) issued a series of yellow (potential danger) and orange (danger) alerts on 8 May 2026 warning of heavy rain, lightning and gusts of up to 100 km/h in 24 of the country’s 27 states. The system covers key business-travel hubs including São Paulo, Rio de Janeiro, Brasília and Belo Horizonte and is expected to persist through Sunday, 10 May. Air-traffic managers at DECEA, Brazil’s air-navigation service provider, said the combination of low ceilings and thunderstorms could trigger flow-control measures at Congonhas (CGH) and Rio/Santos-Dumont (SDU) airports, both of which rely on visual approaches. Airlines have already issued travel advisories allowing free rebooking for flights over the weekend.
![Severe-weather alerts across 24 Brazilian states may disrupt travel this weekend]()
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Road and rail operators are also bracing for disruption. In the south-east’s Paraíba do Sul valley, logistics firm MRS Logística has reduced freight-train speeds as a precaution against possible landslides, while toll-road concessionaire CCR NovaDutra has pre-positioned tow-trucks on the São Paulo–Rio corridor. Inter-city bus companies have advised passengers to check schedules before embarking. For expatriates and corporate travellers the practical advice is to build extra transit time, monitor airline apps for gate changes, and keep local emergency numbers handy. Employers should ensure travellers have updated contact information in their traveller-tracking systems so they can be reached quickly if itineraries change. Meteorologists expect the frontal system to weaken as it moves north-east early next week, but warn that isolated downpours could still affect the Amazon basin, where river levels are already above seasonal norms. INMET will update alerts every six hours; travellers can consult the agency’s bilingual portal or the free “INMET Tempo” mobile app.
For travellers still finalising documentation, VisaHQ can remove an extra layer of stress by handling visa applications and renewals online; its portal (https://www.visahq.com/brazil/) offers step-by-step guidance, real-time tracking and expedited options that dovetail neatly with fast-changing itineraries caused by weather disruptions.
Road and rail operators are also bracing for disruption. In the south-east’s Paraíba do Sul valley, logistics firm MRS Logística has reduced freight-train speeds as a precaution against possible landslides, while toll-road concessionaire CCR NovaDutra has pre-positioned tow-trucks on the São Paulo–Rio corridor. Inter-city bus companies have advised passengers to check schedules before embarking. For expatriates and corporate travellers the practical advice is to build extra transit time, monitor airline apps for gate changes, and keep local emergency numbers handy. Employers should ensure travellers have updated contact information in their traveller-tracking systems so they can be reached quickly if itineraries change. Meteorologists expect the frontal system to weaken as it moves north-east early next week, but warn that isolated downpours could still affect the Amazon basin, where river levels are already above seasonal norms. INMET will update alerts every six hours; travellers can consult the agency’s bilingual portal or the free “INMET Tempo” mobile app.
