Overview
- National alerts cover about a dozen provinces under SMN advisories, including yellow-level warnings for parts of Buenos Aires, Córdoba, Mendoza, San Juan, La Rioja, Santiago del Estero, Salta and Jujuy, with locally intense rain and hail possible.
- Tucumán is under an orange alert for strong storms with short‑period downpours, hail, intense lightning and gusts that could reach 90 km/h, with localized totals potentially exceeding 40–60 mm.
- Western Chubut and Santa Cruz face an orange wind warning for west winds of 65–80 km/h and gusts that could exceed 110 km/h, with additional wind advisories elsewhere in Patagonia.
- In CABA and the AMBA, forecasters expect a hot, humid day with highs near 31–34°C and a 40–70% chance of afternoon and evening storms, with SMN urging residents to secure loose objects and avoid outdoor activity during severe weather.
- The Buenos Aires Grain Exchange projects highly variable rainfall of roughly 25–75 mm in affected areas, severe storm cores with hail and torrential rain, followed by a cold surge that could trigger localized frosts in highland zones.