Overview

• Rosario is forecast to hit around 27–32°C from Friday into Saturday before storms arrive Saturday night under an SMN yellow alert.
• Officials warn of short‑period heavy rainfall, occasional hail and gusts that could reach about 90 km/h, with 30–50 mm of rain possible and locally higher totals.
• Santa Fe city is expected to peak near 34°C on Saturday, with specialists noting the heat index could rise to about 37–38°C if Sunday’s rain is delayed.
• The SMN projects the cold front advancing between Saturday and Sunday across central and northern Argentina, affecting Buenos Aires, eastern La Pampa and Río Negro, southern/eastern Córdoba, central/southern Santa Fe and Entre Ríos.
• Temperatures are set to drop sharply early next week, with Rosario near 6°C at daybreak Monday and a high around 18°C before a gradual midweek rebound.