Overview

• Orange and yellow alerts cover strong to locally severe thunderstorms with 40–80 mm of rain possible in orange zones, frequent lightning, hail and gusts that may top 90 km/h.
• Buenos Aires City and parts of the AMBA are forecast to see strong storms on Sunday morning with a very high probability of precipitation and southerly winds strengthening through the day.
• After an early‑October heat spike — Córdoba reached about 35.7 °C — authorities say the frontal passage will markedly lower temperatures starting late Sunday into Monday.
• Mendoza maintains advisories for Zonda winds in precordillera and plains areas, with provincial officials warning of mountain instability, possible snow and frost risk after the front.
• The SMN urges the public to secure loose objects, avoid outdoor exposure during storms, stay clear of trees and power lines, and keep an emergency kit ready, while separate police cases in Catamarca include a fatal Route 60 motorcycle crash and a shooting with two people apprehended.