Overview

• Six departments—Ain, Jura, Loire, Haute-Loire, Isère and Rhône—have been under orange storm alert since Friday afternoon.
• Thunderstorms are expected to produce hailstones several centimeters wide, 30–50 mm of rain in a few hours and gusty winds with occasional small tourbillons.
• Orange warnings will remain in force through Saturday night while neighboring areas hold yellow alerts for possible severe weather.
• The storm system is set to clear by Sunday, giving way to milder conditions and widespread sunshine.
• A heatwave is likely early next week, with daytime highs forecast to climb toward 35 °C in parts of the country.