Overview

• Italy’s civil protection issued a national advisory for severe weather today, with red alerts for Valchiavenna, Laghi e Prealpi Varesine, Lario e Prealpi occidentali in Lombardy and orange alerts across much of Lombardy, Liguria and Piedmont.
• Milan closed parks, activated its emergency operations center and positioned flood barriers at Ponte Lambro, warning of significant rises and overflow risk on the Seveso and Lambro.
• Forecasters report 100–150 millimeters of rain in 24 hours in parts of Lombardy, with localized cloudbursts potentially reaching 200–300 millimeters in vulnerable provinces including Savona, Biella and Verbano Cusio Ossola.
• Violent thunderstorms and strong winds are expected, with gusts near 90 km/h over the Lario and prealpine areas and additional hazards such as hail and rapid river responses.
• In contrast, Sardinia faces extreme heat near 40°C and high wildfire danger, with regional bulletins flagging multiple zones at orange-level fire risk.