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yesterday

Severe Heat Alerts Expand in Rio as Weekend Temperatures Near 40°C

Forecasters expect conditions to intensify early next week, with Guapimirim projected to reach the rare extreme tier and only isolated rain from Tuesday afternoon.

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Overview

  • Rio’s state health intelligence placed several municipalities under a severe heat alert starting Sunday, with the capital added Monday and Guapimirim set to reach the extreme level on Tuesday.
  • The city of Rio entered level 2 of its five-tier heat protocol on Friday after forecasts exceeded 36°C for consecutive days.
  • Forecasts call for highs around 38°C on Saturday and up to 39–40°C on Sunday and Monday, with no rain until isolated showers become possible Tuesday afternoon.
  • Cedae is distributing 10,000 liters of chilled drinking water on Saturday at Copacabana and Aterro do Flamengo, with more than 5,000 liters planned for Monday at major train stations and other high-traffic points under hourly quality checks by a mobile lab.
  • Health authorities designated state UPAs as hydration points, reinforced SAMU 192 with motorbikes and rapid-response vehicles, and advised frequent hydration, light clothing, and avoidance of direct sun between 10:00 and 16:00.