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Temperatures to Soar to 36 °C Over Ascension Weekend Before Storms Cool France

Fueled by a subtropical flow from North Africa under an Azores anticyclone, the warming will give way to weekend thunderstorms that cut temperatures by about 10 °C.

Des températures estivales sont attendues pour le pont de l’Ascension. (Image d’illustration).
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Overview

  • Météo France forecasts highs of around 36 °C on Friday, May 30, with Bordeaux reaching 35 °C and Toulouse 34 °C, marking unseasonal warmth for late May.
  • A subtropical air mass moving north from North Africa combined with an anticyclonic ridge over the Azores is driving the heatwave.
  • Thunderstorms are expected to develop on Saturday in the Massif Central before spreading to northern and northeastern France.
  • Sunday’s storms will bring cloudy skies nationwide and drop daytime temperatures into the mid-20 °C range by midweek.
  • Meteorologists warn that the exact timing and intensity of the thunderstorms remain uncertain, which will influence how quickly the heat subsides.