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Brazil Faces Weekend Heat Surge and Spotty Severe Storms

Higher heat alongside increased humidity is raising the chance of intense afternoon storms across wide areas of the country.

Overview

  • Forecasters on Nov. 13 say temperatures will climb this weekend with local maxima near 38°C in parts of Mato Grosso do Sul and isolated readings up to about 39°C in the Northeast.
  • Inmet and private models project that the Centre‑West, Southeast and portions of the North and South will see convective showers that can become heavy and produce lightning and wind gusts above 50 km/h.
  • Saturday looks hot with scattered afternoon showers in many inland areas, while Sunday shows a clearer increase in atmospheric instability and a higher risk of temporals in the South and Southeast.
  • Climatempo warns of isolated hail risk in parts of Rio Grande do Sul, and local automated city forecasts emphasize a common pattern of sun with clouds and brief, fast-moving daytime or evening downpours.
  • After record rains in Rio de Janeiro in September and October, the sun has returned to the city but meteorologists say November is trending more summer‑like with recurring summer‑style afternoon and evening storms that can still bring localized disruption.