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Atlantic Front Breaks Italy’s Heatwave, Unleashing Midweek Storms

Afternoon thunderstorms will start Monday in mountain and inland areas ahead of a Wednesday disturbance likely to bring heavy downpours and below-average temperatures to northern and central regions.

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Overview

  • Cooler Atlantic currents are expected to lower temperatures Monday–Tuesday, easing off the record heat that gripped much of northern and central Italy.
  • Monday and Tuesday afternoons will see isolated thunderstorms over the Alps, Prealps and Apennines, with occasional showers in Campania, Puglia, Calabria and interior areas of Sicily and Sardinia.
  • Between Wednesday and Thursday, a deeper Atlantic perturbation is forecast to deliver intense rain, hail and flash-flood risks across Emilia-Romagna, Tuscany, Umbria, Piedmont and Lombardy.
  • Despite relief in the North and Center, southern regions and the major islands will remain comparatively hot, with some coastal areas expecting highs above 35 °C.
  • Italian meteorological services say the shift follows the breakdown of a subtropical anticyclone that had blocked cooler Atlantic air and driven the recent prolonged heatwave.