Overview
- The national weather service issued a yellow alert for the Puna of Jujuy, warning of locally strong storms with hail, intense lightning, gusts and 20–50 mm of rain, with higher amounts possible in spots.
- Alerted Jujuy areas include mountain zones of Humahuaca, Tilcara, Tumbaya, Cochinoca, Rinconada, Santa Catalina and Yavi, with town forecasts noting cooler highs and strong storms in places such as Humahuaca, La Quiaca and Susques.
- In Mendoza, forecasts call for isolated thunderstorms mainly in the afternoons and nights through Thursday, driven by tropical heat and high humidity.
- Provincial guidance indicates storms could initiate in the west of Greater Mendoza before spreading to Greater Mendoza, Valle de Uco and the eastern counties, with San Rafael affected at the same time.
- Daytime highs are expected near 37–38°C through Thursday, and forecasters anticipate relief on Friday with a change in the air mass.