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Rio de Janeiro Enters Heat Protocol Level 3 as Maximum Hits 39.2°C

Heat alert signals sustained risk over several days.

Overview

  • The city activated Calor 3 at 11:40 on Friday, with the heat index forecast between 36°C and 40°C for at least three consecutive days, according to Sistema Alerta Rio.
  • Thermometers reached 39.2°C on Friday, exceeding the earlier maximum forecast of 39°C.
  • High heat is expected to persist for roughly five hours daily, with peak intensity from late morning to early afternoon.
  • Forecasts call for stable weather with little cloud and no rain today, moderate winds with possible strong gusts, continued highs near 38°C through Monday, and a chance of isolated showers on Tuesday.
  • The city's operational stage remains at level 2, and officials urge hydration, light meals, sun avoidance from 10:00 to 16:00, sunscreen use, extra care for children and older adults, and seeking municipal health units if symptoms arise.